2011 Chevy Impala Engine Died While Driving No Restart Till Setting for Days Then Dies Again Youtube

Dan Ferrell writes about DIY automobile maintenance and repair. He has certifications in Automation and Control Technology and Technical Writing.

An engine stall condition tin be caused past many different systems or components.

Photo License: CC0 Public Domain

When your car engine starts but stops afterwards, whether immediately or afterwards a few minutes, there could be one or more than specific systems or components backside the failure. For example:

• the ignition or injection organization
• a low idle speed in need of adjustment
• a maladjusted carburetor
• vacuum leaks
• ane or more than bad sensors

To make matters worse, stalling may happen under ane or more than operating weather condition. For example, the engine may:

• stall as soon as it starts
• stall during idle
• stall when warm
• stall intermittently under any status

The conditions associated with your stalling problem will give you clues equally to what systems or components are causing your problem.

So the best fashion to start your diagnostic is to identify, when possible, the weather condition under which the stalling occurs, and focus your attending on those systems or components associated with the failure nether that particular condition.

How to Investigate and Diagnose Your Trouble

The following sections discuss different operating atmospheric condition associated with stalling, and which systems and components are almost likely to cause stalling under those weather. The concluding section focuses on what to do when stalling happens intermittently and seemingly randomly.

So, offset by checking those components or systems in the section that all-time describes your particular engine problem, then, if necessary, move on to systems or components described in other sections, specially if yous suspect these systems demand maintenance or have given yous bug in the past. This approach will make it easier for you to diagnose the problem much faster and volition piece of work in most cases.

Check for Codes

Too, be certain to cheque the computer system for whatever diagnostic trouble codes (DTCs) that might be stored in retention, whether the "check engine" calorie-free has come on or non. 1 or more sensors may have triggered a pending code. If you don't have a scanner tool, you may be able to take your vehicle to a local machine parts store to get the codes retrieved, or the shop may lend y'all the scanner. Better yet, buy a relatively inexpensive merely quality automotive scanner from your local auto parts store or online.

A Tip: The Anti-Theft System

If yous've seen the anti-theft light blinking recently, make sure the anti-theft system is working properly. The system itself can be the source of the problem. Sometimes y'all need to reset the system (make the arrangement go through a re-learning process) to get the engine working right again. If necessary, consult your vehicle repair manual.

Index
I. If Your Engine Stops Immediately Subsequently It Starts
2. If the Engine Stalls at Idle
III. If the Engine Stalls at Idle Unless You Printing the Accelerator
IV. If the Engine Starts When Common cold only Stops When Warm
V. If the Engine Stalls Intermittently

Your engine may stop as soon every bit yous let the key render from the Showtime to the Run position. Most of the time, this status points to a badly chock-full fuel filter or an ignition switch in need of aligning or with worn/burned contacts.

A quick test to see if yous accept a problem with the fuel system is by using carburetor cleaner or starting fluid:

1. Carefully disconnect the air cleaner outlet tube from the throttle body.
2. Inquire an assistant to beginning the engine.
3. As shortly as the engine catches and the ignition key returns to the Run position, spray some carburetor cleaner into the throttle body.
4. If the engine idles momentarily with the carburetor cleaner, there may be a problem with fuel commitment.

The problem tin be with the fuel filter, fuel pump, ballast resistor, or fuel pressure regulator.

Start with the fuel filter. When was the last time yous replaced the filter? Check the fuel filter service interval in your car possessor's manual or repair transmission. If the fuel organization uses an in-line filter:

• Remove the filter.
• Blow through the filter in the management of fuel flow.
• If air goes through with difficulty, or non at all, there'southward your problem

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When necessary, use a fuel pressure guess to bank check system force per unit area. Follow the instructions in your vehicle repair manual. If you lot don't have the manual, yous can buy an inexpensive, aftermarket copy at your local auto parts store or online.

Other components that can cause you trouble are:

• fuel pump
• fuel injectors
• engine coolant temperature (ECT) sensor (see the side by side department)
• fuel force per unit area regulator
• crankshaft position (CKP) sensor

Usually, a bad CKP will trigger the bank check engine lite (CEL). So browse the computer for DTCs if you haven't done so yet.

To do a quick bank check for potential CKP issues:

• While, cranking the engine, pay attending to the tachometer on your dashboard.
• If the RPMs remain at zero, this may point to a trouble with the CKP sensor.

Check your vehicle repair manual to assist you exam the crankshaft sensor, if necessary. Even if the sensor itself is proficient, there could exist an electrical open or short in the excursion.

Check the ignition switch:

If you seem to be getting good fuel supply, and the previous tests didn't yield whatever clues, attempt checking the ignition switch. Ignition switch contacts wearable out over time.

Sometimes, you tin find problems with the contacts by holding the key forward in the Outset position when cranking the engine. The engine may take hold of in the Start position, but as soon every bit you let the key render to the Run position, the engine dies.

1. Commencement proceeds access to the ignition switch. Consult your vehicle repair transmission.
2. Make sure the switch is properly connected to the electrical connector.
3. Squeeze the switch and electrical connector together with your hand as yous try to offset the engine.
4. If the engine starts and remains idling while holding the switch and connector together, you need to properly connect the switch.

Fifty-fifty if this quick test doesn't yield results, you will however desire to troubleshoot the ignition switch. Your vehicle repair transmission may help y'all here.

Check for throttle body and throttle plate buildup:

As well, check your throttle trunk and throttle plate for coking. Carbon buildup will prevent proper functioning of the throttle valve. If the valve doesn't take complimentary movement, information technology can crusade a crude idle and stalling with lite buildup. Coking ordinarily causes the engine to die immediately after the engine starts.

You can utilize carburetor cleaner to remove carbon buildup from the throttle bore and valve, if necessary.

Verify that the ignition system has a good, strong spark.

Photo license: CC0 Creative Eatables

II. If the Engine Stalls at Idle

Various components and maintenance bug may cause an engine to stall when idling. The source of the problem may differ with the type of engine model or configuration.

Ignition Arrangement Problems

The system may take a weak spark or the spark may fail to attain the spark plugs.

• Start by checking the service schedule for the spark plugs and spark plug wires.
• Remove and bank check ane spark plug at a time.
• Check the electrodes' gap using a wire judge and compare to specs in your vehicle repair manual.
• A plug that burns the air-fuel mixture correctly has a brown to grayish-tan color. Other colors may signal problems with the fuel, ignition or even mechanical issues.
• A wet plug may indicate also much fuel reaching the cylinder, or a mechanical problem that is leaking oil into the combustion bedchamber like worn-out rings, cylinders or valve stem seals.
• Then, check the spark plug wires and ignition coils with the help of your vehicle repair manual.
• If your engine uses a benefactor, check the cap as well for cracks, carbon traces, and oil contagion.

Bad canister vent valve:

The evaporative emissions (EVAP) control system routes fuel vapors into a canister and then to the intake manifold where they are burned along with the air fuel mixture.

But a system failure, especially a failure of the canister vent valve, can cause the engine to stall at idle or during acceleration. Consult your vehicle repair manual for valve testing procedures in your particular vehicle model.

Other organisation components to check, depending on your particular model:

• purge solenoid or valve
• canister
• relief valve
• hoses

Checking the PCV Valve:

The positive crankcase ventilation (PCV) system purges blowby gases from the engine. Most PCV systems make apply of a small-scale valve to route blowby gases dorsum into the intake manifold to be re-burned. Over fourth dimension, the valve may get stuck open, causing too much air to period into the intake manifold during idle or acceleration, which can cause the engine to stall.

Y'all can easily remove the valve and check it past shaking the valve. If the valve doesn't rattle, probably the valve is stuck. Only this mutual test doesn't work for all models. Consult your vehicle repair manual, if necessary.

A Bad Throttle Position Sensor (TPS)

The TPS monitors the bending opening of the throttle valve and sends this information to the electronic control module (car computer). The computer uses this information, forth with signals from other sensors, to adjust air-fuel ratio, ignition timing and other outputs.

Most TPS units use a variable resistor with several contact points that can wear out and fail subsequently miles of service. When the contacts open, information technology may cause the calculator to lean the mixture too much and stall the engine. A bad TP sensor usually triggers a diagnostic trouble code (DTC). So yous can retrieve the code from the computer using a scanner tool.

Whether or not you lot find a problem code for the TPS, information technology's a skillful idea to test the sensor using a digital multimeter:

1. Unplug the sensor electrical connector.
2. With the engine off, measure resistance beyond the sensor terminals with the throttle in closed position, at one-half throttle, and at full throttle.
3. Compare your resistance measurements to the specifications listed in your vehicle repair manual.

One or more bad fuel-injection components may cause the egnine to stall.

Photo courtesy of Vegavairbob on Wikimedia

Checking the IAC (for Engines With Multiport Injection Systems, Near Modern Engines):

In near cases, the problem hither is associated with the idle air command (IAC) valve.
The IAC valve is controlled by the computer and allows air to bypass the throttle valve nether idle or cold temperature weather condition to forestall a rough idle or keep the engine from stalling. You lot tin can exam the IAC valve using a digital multimeter:

1. First, unplug the IAC electrical connector.
2. Plow the ignition central to the On (run) position but don't first the engine.
3. Set your voltmeter to 20 Volts range (or to a higher place 15 Volts) on the DC (direct current) calibration.
4. Connect your black meter pb to ground (engine metallic surface or bombardment negative post, for example) and with the crimson meter pb probe the terminals on the harness side.
5. You should get around ten to 12 volts, approximately, from one of the terminals. This is the incoming signal from the engine control module (car computer). If not, there are problems in that side of the circuit.

Now mensurate the condition of the valve past measuring resistance across the IAC connector terminals.

1. Set your voltmeter to ohms for this measurement.
2. Yous should get anywhere from 6 to 13 ohms of resistance.

To check for a possible internal short:

1. Check for resistance from each IAC connector final and the IAC valve body with your voltmeter.
2. Y'all should get around 10,000 ohms of resistance.

Checking the internal physical condition of the IAC valve:

A blocked IAC may cause the engine to die as shortly as it starts if the valve sticks shut. IAC valves may fill with carbon deposits overtime, preventing the pintle from moving, or blocking valve passages.

On most vehicle models, the IAC valve is readily accessible and can be removed easily by unscrewing a couple of mounting bolts.

1. First, turn the ignition cardinal off and remove the cardinal.
2. Unplug the IAC valve electrical connector.
3. Unscrew the valve mounting bolts and remove the valve from the vehicle.
4. Check the valve's pintle and housing for carbon buildup. If necessary, clean the valve with carburetor cleaner and a soft rag to remove deposits.
5. Likewise, check the valve O-ring. It should exist soft and in good condition. Otherwise, replace information technology.

Consult your vehicle repair manual for the recommended testing procedures for your particular vehicle model, if necessary.

Your particular fuel injection organisation may have other necessary adjustments. For example, you may need to adjust

• the idle speed
• the throttle cable
• the throttle plate stop
• the idle air-fuel mixture

Consult your vehicle repair manual, if necessary.

Troubleshooting the ECT (Engine Coolant Temperature) Sensor

The ECT measures engine operating temperature and sends this information as electrical information to the estimator. The car reckoner uses this information, and data from other sensors, to accommodate ignition timing for better engine efficiency.

Thus, a bad ECT sensor can have a direct impact on engine operation. If the sensor causes a lean air-fuel mixture the engine may idle rough or stall.

Almost ECT sensors use a thermistor to vary the voltage indicate sent to the computer co-ordinate to engine coolant temperature. The higher the coolant temperature, the lower the sensor resistance and higher the bespeak voltage.

To test the ECT sensor:

1. Locate the sensor. Information technology's normally close to the thermostat housing.
2. With the engine turned off and cool, unplug the ECT sensor electrical connector.
3. Set your digital multimeter (DMM) to the ohms scale and mensurate resistance beyond the sensor terminal. Make a note of the resistance value.
4. Plug in the sensor electrical connector and first the engine. Let the engine idle for virtually 15 or xx minutes then that it reaches operating temperature.
5. Shut off the engine.
6. Unplug the ECT electrical connector and mensurate resistance across the sensor terminals as you did in step 3.
7. This time, sensor resistance should be considerably lower. For example, depending on your particular sensor configuration and engine model, the sensor may take 40K ohms when the engine is cold just 2K ohms when hot.
8. Compare your results to the specifications listed in your vehicle repair manual.

A failing ECT sensor can trigger the check engine light. If your sensor checks Okay during your tests, but the estimator says in that location'due south a problem with it, check the sensors excursion betwixt the ECT and the reckoner for bad connections or damaged wire.

Also, check that the computer is sending the correct reference voltage to the sensor.

• Unplug the ECT sensor electrical connector.
• Plough the ignition key to the On position, but don't start the engine.
• Measure the voltage at the harness connector (the one leading to the estimator) with your voltmeter.
• Unremarkably, you should read about 5 volts at the connector. If non, in that location's a problem in the circuit.

Checking for a Stuck EGR Valve

The exhaust gas recirculation (EGR) systems reintroduces exhaust gases into the combustion chambers to reduce engine temperature and poisonous emissions.

Information technology is common for the EGR valve passages to become blocked from carbon buildup. Carbon deposits may prevent the valve from closing, causing the engine to stall at idle. Also, an EGR valve may leak through the base, causing the engine to stall at idle, at deceleration, or during a quick stop.

If you've never checked under the valve, or it'southward been a few years since y'all terminal checked, it might be a good idea to take a look now. But brand sure to take on mitt a gasket replacement. You may demand to install a new one. If you can't find one for your detail vehicle model, you lot notwithstanding can purchase gasket paper at your local machine parts shop and make the gasket yourself.

• Most EGR valves are accessible and non difficult to remove. Check the EGR valve configuration for your particular model, though, to make sure y'all have all the tools necessary for the task. Unremarkably, all you need is a couple of wrenches, a ratchet, the appropriate socket sizes and, sometimes, a pipage wrench to disconnect the valve from the exhaust piping. Consult your vehicle repair manual, if necessary.
• Remove carbon deposits from nether the valve and intake ports using carburetor cleaner. Make certain not to allow carburetor cleaner to reach the valve diaphragm or whatsoever electrical circuits, depending on your detail model, or y'all may ruin the valve.
• Reinstall the valve using a new gasket, if necessary.

Checking the EGR Valve:

Depending on your particular EGR valve configuration, y'all probably tin stick your finger through the underside of the valve and effort to move the internal diaphragm. If the diaphragm doesn't move, information technology may exist stuck.

Hither are a couple of alternative methods to check for diaphragm motility:

• Operate the accelerator linkage with your manus to increase engine speed. You may be able to see the diaphragm moving using a mirror placed nether the EGR valve. If you tin run into the diaphragm with the mirror, just you can't run into it moving every bit you operate the accelerator linkage, the diaphragm might be stuck.
• Yous can likewise use a hand-held vacuum pump. Yous can do this examination with the engine off and using a mirror to watch diaphragm motility. Disconnect the vacuum hose form the valve and connect the vacuum pump instead. Employ about 15 in-Hg of vacuum to the EGR valve while watching for diaphragm movement with the mirror. If the diaphragm doesn't motion, it might be stuck.

Another cause for the valve diaphragm to fail is wear or damage that causes it to leak exhaust gases. A quick way to examination for a leaking diaphragm is using carburetor cleaner.

• Block the wheels using wooden blocks.
• Prepare your transmission to Park (automatic) or Neutral (standard).
• Start the engine and pop the hood open.
• Spray a quick burst of carburetor cleaner under the valve, towards the diaphragm.
• If the engine RPMs increase when you spray, the diaphragm is leaking and you need to replace the valve.

Bad Catalytic Converter

A bad catalytic converter can also cause you problems at idle. Depending on the particular problem, information technology may testify other symptoms equally well:

• a smell of rotten eggs
• rattling sounds
• poor engine power

Ane of the well-nigh common problems with a catalytic converter is a plugged unit. The internal substrate becomes partially restricted or disintegrates.

Unremarkably, problems with the catalytic converter trigger the check engine light (CEL). The figurer may shop a P0420 through P0423 lawmaking. If you find a catalytic-converter-related lawmaking, do troubleshoot the catalytic converter before replacing it, to ostend that the cat is in fact bad. Catalytic converters are expensive and you need to make sure that some other components is not involved in the trouble. If necessary, consult your vehicle repair manual.

Checking the IAC on Vehicle Models With Throttle Body Injection (TBI) Systems:

Many vehicles equipped with TBI systems too have an IAC valve controlled past the reckoner.

• You tin use the test described in the previous section, if your vehicle has an IAC valve.
• As well, some of these systems may have an idle speed adjustment (consult your repair manual),

Usually, you tin adjust idle speed by hooking upwards a tachometer (some digital multimeters accept this feature) to the engine. Then, you can turn the idle speed screw on the throttle trunk or carburetor until the RPMs are set up according to specifications.

Carburetor worn out components tin crusade the engine to dice.

Photo courtesy of Uberprutser on Wikimedia

Diagnostics on Vehicles With a Carburetor

A stalling issue usually points to a maladjusted idle mixture screw. To reset the spiral:

1. Locate the idle mixture screw.
2. With the engine off, bottom the screw.
3. Back out the screw ii 1/2 turns.
4. Showtime and idle the engine.
5. Make the final adjustments until you get a polish idle.

On some carburetor models, you may also demand to adjust curb idle speed. Consult your repair transmission.

On carburetors in demand of maintenance or worn parts, there tin exist several components that need attention. For case, yous may need to check:

• throttle dashpot adjustment
• bowl fuel level
• idle system for bottleneck
• carburetor flooding
• vacuum leak
• bladder needle valve performance
• restriction in the air cleaner

Consult your vehicle repair manual.

Sometimes, using the accelerator pedal tin continue your engine from stalling.

Photo courtesy of ScrewsHirsch on Wikipedia

Three. If the Engine Stalls at Idle Unless You Press the Accelerator

This may signal problems with the fuel system. The following video shows an engine with this problem.

If your engine has a throttle torso injection (TBI) arrangement:

1. Pop the hood open up and remove the air cleaner assembly so that you take admission to the throttle body.
2. Turn the ignition key to the On position but don't outset the engine.
3. Take a look at the injector(s) on top of the throttle body.
4. If the injector(south) is leaking fuel, then yous need to replace it. The injector may have a worn or inoperative return jump or valve; or clay may have the valve stuck in the open position.

Also, cheque fuel system pressure using a fuel pressure gauge. Consult your vehicle repair manual.

If your engine has multiport fuel injection system:

Checking fuel injectors for leakage on this type of system can be tricky, depending on your item vehicle and engine model. Consult your vehicle repair manual about detaching the fuel injectors from their ports for inspection, if necessary.

Some other potential problem could be the fuel pressure level regulator.

1. Locate the pressure regulator on the fuel rail.
2. Detach the vacuum hose from the pressure regulator
3. Closely inspect the regulator port and within the vacuum hose for signs of fuel
4. If you notice gasoline in either component, replace the fuel pressure regulator.

Fuel commitment system leaking:

Although rare, the cause of a stall may come up from a leak in the fuel commitment arrangement, peculiarly the fuel pump. The engine may receive fuel just not plenty to go along the engine running.

The leak may be located in the fuel pump assembly, or along the fashion upwardly to the fuel rails.

Check for strong fuel odors or wet spots around the fuel rails, fuel hoses and tubing, effectually connectors. Also, you lot may demand to check the fuel pump assembly.

See your repair transmission for more fuel organization tests, if necessary.

A bad electrical circuit in a curl or ignitino moduel may cause the engine to stall when warm.

Photo courtesy of Cschirp on Wikimedia

IV. If the Engine Starts But Stops When Warm

An engine tin also stall when reaching operating temperature or a few minutes afterward a cold start.

Sometimes, this can be a sign of issues with an:

• ignition scroll
• ignition module (depending on your vehicle model)
• fuel pump
• crankshaft position (CKP) sensor
• camshaft position (CMP) sensor

Information technology usually happens when an electrical "open" exists in the internal circuit of one of these components. After a few minutes of operation, heat may crusade a roll or wire to expand and loose electrical contact. You may not be able to start the engine once more until the heat in the troubled component has dissipated. Later, when heat causes the open to manifest itself again, the engine may stall over again.

Trying to find the faulty component can exist difficult. But here are a few uncomplicated procedures to get you going.

When the engine dies, check to run into if you have spark:

1. Disconnect one of the spark plug wires from its spark plug.
2. Place the tip of the wire about ii inches abroad from the engine surface or a metal subclass using a pair of insulated pliers.
3. Take an assistant crank the engine and see if at that place's spark.
4. Y'all should see a stiff, blueish spark between the tip of the wire and ground.
5. If there's no spark or you lot need to take the wire most 1/four inch close to ground for a spark, probably the fault is with the ignition module, ignition curlicue, CKP or CMP.

When there's spark, check for the presence of fuel:

1. If y'all have a fuel pressure gauge or can borrow one from your local car parts store, connect the gauge and idle the engine.
2. Monitor the gauge and see if the fuel system looses pressure level when it stalls. If it does, you may have issues with the fuel pump or a system component.

Yous tin also cheque for weak fuel pressure using this simple method:

1. When the engine stalls, remove the air cleaner associates and spray some carburetor cleaner or starting fluid at the throttle and attempt to beginning the engine or have an assistant crank the engine while y'all spray a burst of carburetor cleaner into the throttle torso.
2. If the engine catches or starts for one or two seconds when you spray the fluid, then yous may have a problem with the fuel pump or another system component.

Bank check the fuel system with the assist of your vehicle repair manual.

A bad excursion in a CMP can forestall the engine from idling.

Photograph courtesy of Teresa Trimm on Flickr

Five. If the Engine Stalls Intermittently

If your engine stalls intermittently, under a multifariousness of weather, doubtable these components:

A Bad Camshaft Position Sensor

A bad camshaft position (CMP) sensor can produce different types of symptoms and cause the engine to stall immediately after starting or intermittently.

A bad camshaft sensor is probable to trigger the check engine low-cal (CEL). Fifty-fifty if you don't come across the CEL illuminate, scan the computer memory for diagnostic trouble codes (DTCs). Common bad camshaft DTCs range from P0340 to P0344.

Consult your vehicle repair manual to locate and test the camshaft sensor, if necessary.

Misfires

Engine misfires are another cause for an engine to stall. Misfires make popping sounds and can cause engine to jerk or vibrate. Other symptoms include:

• increased emissions
• increased fuel consumption
• difficulty starting
• stalling

If you've noticed engine misfires, this might be the crusade for the engine to stall. Check this other article to help yous diagnose the source of the misfire.

Clogged air filter

Y'all tin can remove the air filter and bank check it. Air filters trap clay and dust from the stream of air flowing into the intake manifold. To bank check the filter:

1. Remove it from its housing.
2. Place the filter confronting the sunday or a skilful source of light.
3. If the light tin barely become through the filter element, or not at all, the filter is chock-full and preventing proper air flow into the engine, causing information technology to stall.

Vacuum Leaks

An engine stalling issue tin can as well come from a vacuum leak problem.

A vacuum leak tin can upset sensors or actuators that depend on vacuum for performance: for case, the manifold absolute force per unit area (MAP) sensor, exhaust gas recirculation (EGR) valve or mass air flow (MAF) sensor. The leak tin happen considering of loose or damaged hoses or gaskets.

Testing one of these sensors requires checking the vacuum hose, electrical connection and wires, and testing the sensor itself. Consult your vehicle repair manual. On a MAF sensor, check for a dingy sensing element. You tin clean the sensing element using MAF sensor cleaner or electrical contact cleaner. Follow the production instructions when using this blazon of cleaner.

Vacuum leaks ordinarily make a hissing sound but you may demand a mechanics stethoscope or a length of hose to heed and locate potential vacuum leaks.

• Check that all vacuum hoses are properly continued.
• Check the condition of each hose.
• Employ the stethoscope or length of hose to listen for leaks along the vacuum hose and connections.
• Trace each hose with your hand to feel for potential damage: soften, harden or irregular spots.
• Check for vacuum leaks around the intake manifold gasket and throttle trunk also.

It's Worth Trying to Diagnose An Engine That Shuts Off

If your engine starts but won't stay running, you lot want to make an accurate diagnosis as soon as possible. Making a diagnosis can be difficult, especially when you don't have much experience in motorcar repair and the source of the trouble can be in one of several systems. Apply the strategies outlined in this guide. They'll help you lot repair your car faster by having you concentrate on those systems more likely to give you trouble.

This content is authentic and true to the best of the author's cognition and is not meant to substitute for formal and individualized advice from a qualified professional.

Questions & Answers

Question: Where is the trouble when, afterwards driving, I stop and information technology doesn't start until I give some time. How would you diagnose my auto's problem if my automobile will get-go again after some time?

Respond: If the engine cranks but won't start, cheque for spark and fuel force per unit area. If it doesn't crank at all, check the bombardment status.

Bank check for DTCs codes, even if you haven't seen the check engine light come on. There might be a pending code. Usually, when the engine warms upwards and so stops, it is an indication of a problem with an ignition coil, ignition module or even the fuel pump. Allowing time to cool, the component will function again. Attempt some of the tests described in department IV of the post.

Question: What does it mean when the car gets started when it is common cold simply not when it is hot?

Answer: Cheque the connections, wires and cables in the staring circuit. They should be clean and tight.

Question: What can make a motorcar simply switch off and the bombardment light to go along in the instrument console? I have tested the bombardment and it is adept.

Answer: The virtually common reason for this is a bad alternator. Have the charging arrangement tested.

Question: My gear shift lights are not indicating on the gear after irresolute the gearbox and mechatronics. And nosotros are declining to start the car Golf 5 1.9 TDI. What could be the trouble?

Reply: If the engine is non cranking, there could be a problem in the starting excursion, mayhap at the ignition switch. That could also explicate why y'all are non getting the indicator lights. This other mail service may help:

https://axleaddict.com/auto-repair/How-to-Use-Volt...

it'll exist a good idea to accept the diagram for your particular model. If you lot don't have the repair manual, you tin can get i at your local auto parts store or online.

Question: My engine is a Toyota 5A Fe and has no trouble starting at dwelling (outdoor Street parking) even on a very cold morning. However, it cranks and instantly stalls when I try to start it at work and merely when I'thou at piece of work (Covered Parking). Whatsoever reason why that might be?

Answer: It'due south possible the EGR or PCV valve is sticking open up.

https://axleaddict.com/auto-repair/Bad-EGR-Valve-Due south...

https://axleaddict.com/automobile-repair/How-to-do-a-PCV...

Download trouble codes, even if yous don't see the check engine calorie-free on. There could exist a problem with a sensor as well. Hope this helps.

Question: What would be the problem if the engine dies at intersections when reverting to first gear? I replaced the carburetor.

Respond: The carburetor may need an idle aligning. Check the manual, if it came with it. Or wait for it online.

Question: I have a 2013 Chevy Sonic. For the final five months, my machine has stalled during driving and when in idle or when I stop at red light and end signs. As well, it fails to turn over after putting gas. It volition turn over fine, but it won't stay on. I've had my fuel injector cleaned and inspected. I've had my O2 sensor replaced also. Exercise yous have any ideas what this could be?

Answer: Yous may be dealing with a vacuum leak or a faulty sensor like a MAP or MAF sensor. Yous may also accept a problem in the fuel system or with the fuel pump. Have the pump checked before replacing information technology.

Question: My car won't turn over. I used starting fluid and information technology started up, so immediately cut off. What can be the reason for that?

Answer: If the engine doesn't plough over, there could be something wrong with the starter motor or the engine is seized. But, if the engine fires up with starting fluid, and so check for fuel pressure. Probably not enough fuel is getting to the cylinders.

Question: My car runs fine for a few minutes, then starts sputtering and loses a lot of horsepower. It doesn't stall only the engine sounds rough like an erstwhile 80s car. A night of remainder lets the car become drivable over again for a few minutes simply and so the issues show upwards once more. I've changed the spark plugs, plug wires, distributor cap and rotor, air filter, cleaned the maf sensor and changed the throttle position sensor. What else could exist the trouble?

Answer: The trouble seems to be temperature related. This usually happens with a faulty ignition coil, ignition module or fuel pump motor'south coil. The gyre device or temperature sensitive electronics will brainstorm to fail from an electric open. Have the ignition coil, ignition module and/or fuel pump checked.

Question: Why does my car start and idle for 3-5 minutes before dying? The spark plugs and fuel filter were replaced. The carburetor was taken off, checked and cleaned. The benefactor was taken off and cleaned likewise. Information technology all the same does non want to idle entirely after starting, so information technology cannot bulldoze at all. Delight help equally the mechanic can't seem to figure out whats wrong with my automobile.

Answer: There could be several causes for this, so try the post-obit:

Take the ignition organization checked to brand certain it has a skillful spark.

Cheque the fuel system- fuel pressure

Bank check the canister vent valve, PCV valve, TPS sensor, and IAC valve.

Question: May auto engine stalls while idle unless you lot press the accelerator. This indicates problems with the fuel system. How practice you fix the fuel system?

Reply: If you know the trouble is in the fuel system, first make sure you accept replaced the fuel filter. And then outset by testing for fuel pressure at idle. This other mail service can help:

https://axleaddict.com/auto-repair/How-to-Test-a-F...

This could lead to a bad pressure level regulator or fuel pump or bad injector(s).

Question: My VW T4 runs completely fine, but when information technology's been in hot atmospheric condition, or indeed damp conditions, information technology starts and instantly dies. This is intermittent. Sometimes after information technology dies, if yous endeavour once again it tin can start straight away, or y'all can exist waiting for half an 60 minutes earlier you tin can outset it. Once started it runs fine. Exercise yous have whatsoever ideas?

Answer: Commonly, when a motorcar struggles to run in clammy conditions, the problem is with the ignition system. A coil or cable in the system is probably leaking the spark to footing.

Question: My car was diagnosed every bit having a bad fuel pump. After a new fuel pump was put in, it got four miles downwardly the road, idled out, and died once more. The car will not crank until well-nigh 15 minutes after it happens. What do you retrieve could exist the cause of this problem?

Answer: If you mean the engine will not turn over, the trouble seems to exist in the starting system circuit. This other mail service may assistance:

https://axleaddict.com/auto-repair/bad_starter_sym...

If the engine cranks just won't beginning later the auto has been driven about four miles (engine turns over but won't start), and then maybe the ignition ringlet or ignition module is bad. In this case, the coil reaches operating temperature, curl breaks open and the car stops. One time the coil cools, the broken wire makes contact and you are able to showtime the engine, and the cycle repeats.

This other mail may help you test the ignition coil:

https://axleaddict.com/machine-repair/How-to-Exam-an-...

If your car has a curl on plug configuration, bank check the repair manual for your particular model to examination the coils. Yous can also check for spark right after the engine refuses to start. If there'due south no spark, yous know the trouble is in the ignition system (or crankshaft-camshaft position sensor) and you are on the right track.

Question: My truck starts and within half-dozen seconds it dies. I cannot provide more gas to go along information technology running. If I unplug the Air Flow sensor it will get-go and idle but again if I give it gas information technology dies. I likewise started with changing out the fuel filter. No deviation. Any thoughts?

Respond: If you are able to get-go the engine correct after it stalls with the MAF sensor disconnected, probably this sensor is dirty or faulty or another sensor is non sending the right bespeak the estimator expects, probably the throttle position sensor. Download problem codes even if you lot don't see the bank check engine light on. There could be a awaiting code that tin aid you.

Question: I accept a 1993 Caprice Archetype. And about iv months ago, I mistakenly put the wrong grade of gas in. Since and then, I've had problems as far equally when upon starting it idles very low and and so too high until information technology does commonly afterward about 30 or and so seconds. Once I drive information technology, I tin can become so far, and in one case I come up to a low-cal or end sign it eventually cuts off but starts dorsum upwardly immediately. I've heard that it could be a number of things including bad fuel injectors. What's your expert opinion on this?

Answer: It seems like an electrical problem. Effort downloading trouble codes, even if the engine light doesn't come on. There could be a problem with a sensor.

Question: Why does my motorcar but showtime in the morning?

Respond: Check for any DTCs in the computer retentiveness first. You may need to take a look at fuel pressure or ignition spark afterwards the motorcar has warmed up. Maybe there's a problem with the fuel pump or an ignition coil.

Question: Two days ago my truck shut off immediately after starting it up. The truck will accelerate past itself and then shut off. It fails to restart after a few tries so information technology volition start and run. Two months ago, it shut off while driving, so I replaced the battery and alternator and no problems for two months. What could crusade my truck to shut off after starting up?

Respond: It seems like a faulty sensor. Intermittent faults can be difficult to diagnose, though. But you may want to bank check the battery cables, engine grounds, ignition switch connector, and wiring, and faulty wiring in a critical sensor the figurer relies on to operate the fuel injectors, crankshaft, throttle position sensor or camshaft sensor, for example. If the engine shuts off as if turning the ignition switch off, nigh probable the problem is in a circuit. A voltage drop test might help:

https://axleaddict.com/motorcar-repair/Automotive-Volt...

Question: I had the fuel injectors cleaned, fuel pump checked, relay checked, new MAF sensor, new Crank and camshaft sensors, new ignition switch, and cleaned the throttle body with a carb cleaner. The alternator is skilful. New starter. It hard starts with starter fluid; I pushed the gas pedal a practiced ten times with zero reaction from the rpms. Then the automobile died seconds later. I cannot figure it out. What could it be?

Respond: It seems similar a bad sensor. Try downloading trouble codes and encounter if you get a pending code, fifty-fifty if the check engine light is non on. At that place could be a problem with the throttle position sensor (TPS). If the reckoner doesn't get a bespeak from this sensor, it may non fire up the engine.

Question: With the car on jacks on an incline, the engine was running fine. I tried to drive it to a store the side by side day. Information technology started fine, but within a minute it simply shut off. No warning or sputter, simply dead. I pushed it back to the inclined driveway and then it started fine. Could it be that what little oil was there pooled upward towards the back of the engine and wasn't getting to the pump?

Answer: Some models will shut off the engine if there's non plenty oil pressure level. This is a condom measure to preclude severe engine impairment. If there'southward not enough oil, add some and try again. If you lot think there's a problem with oil force per unit area, this other post may assist:

https://axleaddict.com/auto-repair/What-Causes-Depression...

Question: I take a 2005 Park Avenue that keeps stalling randomly. At showtime, information technology would just stall while warming upwards but ran fine subsequently information technology was restarted. Now, information technology starts and will stall while driving. Sometimes I can drive across town before information technology stalls, and sometimes I can only make information technology a few blocks. After it stalls, I have to wait about an hour before I tin keep it running. Should I beginning with the crank position sensor?

Answer: Check your camshaft position sensor. There are other items you demand to check as well similar misfires, vacuum leaks, and a blocked air filter.

This other mail on vacuum leaks diagnosis may help.

https://axleaddict.com/machine-repair/How-to-Find-and...

Make certain to scan your computer retention for problem codes, even if the cheque engine light is not on. There could be pending codes that may guide you lot here.

If the engine stalls after it reaches operating temperature (near 15 to 20 minutes), at that place could be a problem with the fuel pump or an ignition module.

Question: Why does my engine creepo but won't stay running?

Answer: There could be a fault in the injection or ignition system, a vacuum leak or some other fault. Check for trouble codes, even if yous don't see the check engine calorie-free on. A sensor might be faulty equally well.

Question: 90 Chevy. I replaced the fuel pump, fuel filter, fuel pump relay and throttle control position sensor. Truck dies at random. If watching the throttle trunk when running, fuel simply stops. I cycle the key and it works again. If I don't cycle the key, no fuel comes out. Whatever ideas?

Answer: If the engine dies equally if turning off the ignition key, most likely the problem is a loose wire or bad connection either on the fuel pump circuit or throttle position sensor circuit. Double-bank check those circuits, including wiring harness and connectors. Cycling the key may bespeak to corroded or loose wire(s) that have too much resistance and are getting hot. Visually check for corrosion and tug at the wires on the connectors to make certain they are not loose or muddy.

Question: I have a 2012 Ford Focus. After getting gas and about 10 miles (16.09 km) down the road, the car started to lose power and so stalled. Got it started, collection a little and it did the same thing. Finally, I made information technology home. It stalled again and now won't beginning at all. I never had a problem until I put gas in it. My Ford mechanic said I need a new computer system. Could my Ford Focus' loss of ability be something other than the reckoner system?

Answer: Kickoff, make certain you got fuel pressure (bad fuel pump or fuel pressure regulator, clogged fuel filter). Download trouble codes, even if the engine light is not on. There could be a pending code on the computer's retentiveness. A bad sensor can prevent the engine from starting, similar a faulty crankshaft, camshaft or throttle position sensor.

Question: When I end the car then come back to information technology after only a brief catamenia of time, information technology will only stay on if I recall the engine. Only once I can get it going for a piffling bit, it stays on and runs great and idles ameliorate than it has in years, but no ane touched anything on the engine. Is information technology the fuel delivery or something more sinister?

Answer: Doesn't seem like a fuel system result. Probably an upshot with the idle air control (valve or solenoid) or a sensor, possibly the throttle position sensor, that is not sending the right signal to the reckoner. Try downloading trouble codes, even if the bank check engine is not on. In that location could be a pending lawmaking. Y'all may also be dealing with a bad wire or connector.

Question: My engine starts, then afterwards a few seconds engine is off past itself. And and then the dashboard displays an machine protection alarm. What could exist the cause of this remark?

Answer: The bulletin comes from the car'southward computer. It's trying to protect the engine because of a serious fault it has detected. Download the trouble codes from the calculator retention. They should give you an indication of the problem.

Question: When, subsequently driving, I stop, it doesn't start and the engine light comes on until I give some time. How would you diagnose my car'due south problem if my machine will start again after some fourth dimension?

Answer: Start by downloading trouble codes. If the check engine light is coming on, there could be a faulty sensor triggering the low-cal. Make sure to test the system or sensor indicated by the code before replacing any components. Promise this helps.

Question: Would a speed sensor cause stalling?

Respond: Usually, you'll notice issues with the transmission, brakes, speedometer, and cheque engine light. Effort downloading problem codes from the estimator, fifty-fifty if y'all don't see the bank check engine light on. If there are no codes, this other post may assistance:

https://axleaddict.com/car-repair/No-Trouble-Code...

Question: My car starts and the check engine light disappears. As the engine temperature rises, the bank check engine light appears and my car dies. What'southward the answer?

Answer: Bank check the computer for trouble codes. If a sensor is faulty, most likely it's triggered a code. With temperature-related issues, an ignition coil, fuel pump motor or sensors like camshaft and crankshaft are common.

Question: My engine starts and runs at high idle, BUT will not idle in one case warmed up. The only way I tin keep it running is to upward the rpm to around 1200 or more. I have checked plugs, wires, vacuum lines, replaced coil. I removed the gas line from carburetor and I can fill a canteen slowly every bit I turn the engine over - mechanical pump. Should I replace the carburetor? It is a 4 butt Rochester Quadrajet.

Answer: If the engine starts at high idle and then dies while it gets warmed, it's possible at that place is a vacuum leak. If you notice a drib in RPM earlier information technology dies, the choke may need adjustment (besides tight), the carburetor may be flooding, or the float level is very loftier.

Question: My BMW 1 series cuts off while driving, the engine will start and cut off after few minutes, what could be the trouble?

Answer: This other post may help:

https://axleaddict.com/motorcar-repair/Car-Dies-While-...

Question: When I try to kickoff my Mazda, it takes several times of information technology trying to turn over then it starts. Merely sometimes it shakes and makes loud noises and cuts off unless you printing the gas a footling bit. Then it's adept. The fuel pressure was checked and information technology is skilful. Why would my Mazda have trouble starting?

Reply: Seems like there is a problem with a sensor or the starting circuit. Effort downloading any possible trouble codes, fifty-fifty if the check engine light is not on. This other post may aid too:

https://axleaddict.com/auto-repair/How-to-Use-Volt...

Question: Hyundai ix35 2013 automobile. The car starts and dies. I took out one of the airflow sensors and started the motorcar. It remains on merely as shortly as I put the sensor dorsum, the motorcar dies. Please advise?

Answer: Most likely the air flow sensor is faulty. Endeavour testing the sensor and, if necessary, the excursion, to make sure it's bad. This other post may help:

https://axleaddict.com/motorcar-repair/How-to-Examination-a-Chiliad...

Question: My car does not stay running until it comes up to operating temperature, what could be the problem?

Reply: At that place could be a trouble with the MAF sensor not sending the correct signal to the reckoner.

https://axleaddict.com/car-repair/How-to-Test-a-M...

Usually, cleaning the sensor element solves the trouble, using a MAF sensor cleaner. Other times the sensor itself has failed and needs replacement.

Other sources of trouble are the throttle position sensor,

https://axleaddict.com/auto-repair/How-Do-You lot-Know...

bad fuel pressure

https://axleaddict.com/auto-repair/How-to-Exam-a-F...

engine coolant temperature sensor

https://axleaddict.com/car-repair/Coolant-Tempera...

stuck open thermostat

https://axleaddict.com/auto-repair/car-thermostat-...

Question: Why does my automobile shut off when I permit go of the key?

Respond: There could be a problem with the ignition switch. Gain access to the ignition switch and see if the harness connector is getting loose. Push button the connector and switch together and endeavour to start the engine and see if it stays running. If and so, you may want to use a large plastic necktie to secure the connectedness. Or you may need to replace the switch.

© 2018 Dan Ferrell

mixonvadvapegul1994.blogspot.com

Source: https://axleaddict.com/auto-repair/Why-My-Engine-Starts-But-Stops

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