vehicle starts but will not stay running

Car Starts but wont stay running RPM Up and Down. Now IM not a mechanic but if your car isnt staying running then it would seem possible this could explain away what may be happening.

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. An engine that will start and run briefly has a different issue from an engine that stubbornly refuses to start. F150 Starts But Wont Stay Running. Start your vehicles engine Use your Key or Push-to-Start button Press and hold the foot brake down.

Engine starts but immediately dies. If you have a check engine light and problem code connect a code reader or have it read for you to quickly narrow down the potential issues. If you have movement coming out of the transmission then we have a possible axle issue.

Or a failing Electronic fuel pump. Well if it starts up with starting fluid but wont continue to run it means that the engine isnt getting fuel. The most common reason behind the problem is faulty fuel system.

7 Days a Week. If that carb has an idle speed screw adjust it so itll stay running so you can do some tests. Could be the fuel pumps fuel filter injectors bad fuel bad fuel line computer although it is doubtful that the computer is the cause etc.

You will want to put the vehicle on jack stands and lay on the ground next to it. A bad electric sensor can only occur on a car with a fuel injection system. ACURA Honda Lexus Toyota If playback doesnt begin shortly try restarting your device.

Car Starts But Wont Stay Running. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at idle. It had similar sounding issues.

Here are the reason whyNumber one. This might be enough to allow the engine to start but not keep running. It helps provide a fuel-air mixture in the engine and ensures the proper flow of fuel to the engine.

A four stroke engine has an intake and an exhaust stroke that if it is timed on the exhaust the crank and cam sensors will not know when to fire the ignition or the injectors they will essentially be firing when the car is trying to excavate the mixture of fuel into the exhaust manifold. I check for vacuum leaks by using an unlit propane torch. Unplug it and probe the red w yellow wire.

Why does my engine crank but wont stay running. A sensor might be faulty as well. If the engine cranks but wont start check for spark and fuel pressure.

You can check that with a voltmeter and a couple of connections. While keeping your foot on the brake press the remote start button on your remote control for 3 seconds like you are remote starting the vehicle. A faulty electric fuel pump is also a problem limited to cars with a fuel injection system.

Dirty or faulty idle air contr. Double check the timing of the car and go from there. It could be the fuses open on the pump or injector circuit.

The engine requires the right amount of air and fuel to mix together for ignition. Car will start but wont stay running why - Ive replaced the fuel pump twice7 fuel filters 2 strainers idle air controller maf sensor spark plugs an. No if it starts but you have to keep your foot on the gas to keep it running and then it dies when you take your foot off the pedal the fuel pump is working otherwise no gas at all if it was not working the throttle position sensor is bad the contact in the sensor is worn out at idle spot but when you first star it the sensor is in a different position and with your foot on the gas.

Check for trouble codes even if you dont see the check engine light on. You may have a dirty or failing idle air control valve. Annoyingly stalling issues may not have a codecheck engine light leaving.

13 years of experience. With the engine running aim the propane gas around areas that might have a vacuum leak. Up to 8 cash back Automotive Mechanic.

You should not need to get under the vehicle. Videos you watch may be added to. Then it will stay running.

If the car stalls even when the engine is warm the cause is likely a faulty electric fuel pump. Ad Have Auto Mechanics Come to You. Especially around the carb base vacuum fittings etc.

There could be a fault in the injection or ignition system a vacuum leak or some other fault. Basically this will tell us if the input or output shaft inside the transmission are the issue. 7 Days a Week.

First go to the EVAP purge valve in the engine compartment it should have light green with black stripe and red with yellow striped wires. It appears that checking fuel pressure should be done. The fuel system comprises the fuel tank fuel pump injectors and carburetors.

If there is a fuel leak somewhere then the correct amount of fuel may not make it to the combustion chamber. Perhaps a clogged fuel filter. Under this scenario one of the electronic sensors has gone bad and is causing the cars computer to malfunction and improperly calculate the amount of fuel the engine needs.

I use to own a 1980 something dodge colt.

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