why does my car start but wont stay running

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Put some fuel in your car.

. It really sounds like your fuel pump or fuel injectors are either not working properly or totally broken. When the engine RPM drops below the normal range of about 800 RPM this often times will cause the engine to stall indicating a dirty or faulty idle air control valve. 13 years of experience.

Up to 8 cash back When you accelerate the engine RPM increases and as you let off the gas the RPM slowly returns to the normal idling speed with the help of the idle air control valve. The air may also prevent the engine. If this valve fails to allow air into the engine the engine wont idle.

Ad Free shipping on qualified orders. Save Up To 80 Off Retail Prices Buy Discount Auto Parts Parts Here. Make sure that no leaks have caused the empty fuel tank and that all the fuel lines are intact.

Then compare the recorded readings to the manufacturers defined specification. Gas Tank Is Empty. I am able to get it started now but it only runs for 3 or 4 seconds then stops.

If there is no fuel available unsurprisingly the engine will not be able to start however hard you try. Make sure the connections are tight and the wires arent cracked or burned looking. This valve allows the engine to idle under all conditions.

This issue could be caused by an insufficient amount of fuel reaching the combustion chamber. Car starts but wont stay running. Check Fuses Fusible Links and Ignition Switch.

If your car wont start but the lights and radio work fine it could be one of several problems. Get Help w Ford Maintenance Troubleshooting and Repair. If the car was running ok before the hot wire then the is a problem with the wire connections.

I got it to my house installed new fuel pump fuel filter and new EFI relay. Replace if any issues are found. 88 Mercedes starts but wont stay running key is lost car is hotwired.

Check the settings and battery first then seek professional. Your car will start after the jump but wont stay running if the gas tank is empty. Hello There may be a setting for this described in the owners manual the battery may be weak or you may have an issue with any component of the anti-theft system such as the door switches central locking system etc.

Request An Appointment Now. I have checks mass air flow sensor and even jumped b to fuel pump in distributor box under hood but still no luck. The reason why the radio dash lights headlights and other electronics draw power while the engine doesnt has to.

To diagnose the fuel pump an amp clamp is placed over the positive pump-wire. I check for vacuum leaks. As you know a liquid cannot flow quickly if it is condensed.

When you step on the accelerator while starting the engine this opens the throttle plate which allows air into the engine. I have inherited this truck and it has sat for couple a years. I would look at an electronic reason as to why the car is stopping.

Why Does My Car Start But Wont Stay Running. Casey40510 on November 11 2017. Change the filter first.

The sediments can clog the gas pump fuel filter slowing down gas flow to your engine. When you run your car on an empty gas tank the engine may draw in in air and fuel sediments into the gas pump. If there is a fuel leak somewhere then the correct amount of fuel may not make it to the combustion chamber.

Empty Fuel Tank. Don-ohio Read full answer Oct 18 2011 1997 Jeep Grand Cherokee. The fuel injectors work at any RPM so a choke is not necessary.

Free easy returns on millions of items. For fuel issues start by checking the fuel pressure. If this is the case the solution is the easiest of those on this list.

You check the fuel pressure while the engine is running or cranking if it wont startShould not go up or down drasticallyShould stay within 10 lbs. The problem might be with a defective Idle Air Control valve. Resolving car wont start unless I give it gas problem.

Ad 30 Off Wheel Alignment. Ad Chat with On-Call Mechanics Now. It will start but will not stay running.

After replacing the injectors in my 89 C4. Engine wont stay running. Before the injectors were replaced it would not start and the crankcase filled.

Next start the vehicle and use a voltmeter to set and record the amperage reading. IF the pumpwas bad it wouldnt start at all. This happens whether or not I try to hold the pedal down or just dont touch it.

It could be going bad but the only way to really test it is to pull your gas tank and at that rate you may as well replace it. The car should start IMMEDIATELY when it is jumped and it should stay running. If it is low look at the fuel pump fuel pressure regulator and injectors.

40 Off 3-Year Alignment Package At Midas. If it doesnt run after a jump and the battery isnt bad the something in your charging system isnt functioning properly. Check the Battery.

The fuel injection system does nothing until the engine is turning starting or running so pressing the pedal before you start will make no difference. Start the vehicle and leave it running. For example your car battery could be dead.

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