Car Starts But Wont Stay Running

The computer simply feeds a little extra gas through the fuel injectors to start the engine. Inspect your battery - it should have at least 125 to 13 volts to start your car if it doesnt you will need to replace the battery.

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The second problem could be that your alternator is bad and not charging your battery in this case you will need to replace your alternator.

Car starts but wont stay running. After replacing the injectors in my 89 C4. You may have this figured out by now and not sure this will help but that Jeep needs full voltage for it to stay running. If you are getting between 135 and 145 volts at that point I would start turning on accessories and then testing again.

Starts but will not stay running. There might be a pending code. Try changing the fuel filter and look for any disconnected or cracked vacuum lines.

Another problem could be you have a clogged fuel injector or bad gasoline. Could be many things. If you jump it due to low or dead battery it will not stay running until it has full voltage even when at low idle.

It could actually be the battery. When cranking it shouldnt fall. If the engine cranks but wont start check for spark and fuel pressure.

Both the battery and the alternator can be tested. The car will crank and idle for a couple of seconds and the car will die unless you press the pedal to keep up the RPM. Car Starts but wont stay running RPM Up and Down.

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. If the voltage drops significantly and doesnt level off or rise then you have issues with the alternator. Also check if your alternator is putting out 138v at idle.

It will charge at times and at other times it will not. Check for DTCs codes even if you havent seen the check engine light come on. I am able to get it started now but it only runs for 3 or 4 seconds then stops.

Especially around the carb base vacuum fittings etc. Car starts but wont stay running. Usually a catalytic converter wouldnt cause the car to stall unless it was really really bad and started to fall apart inside of the housing.

Crank no start engine wont turn over. Car starts but wont stay running. 1989 Corvette Coupe Joined.

But having the catalytic converter changed that eliminates that. Took it to firestone and they replaced a bad crank shaft sensor. With the RPM sitting at 3000 RPM the RPM will constantly cut out to about 2000 RPM and go back to 3000.

I will go over the symptoms par. Car wont start - Ford Escape If the battery starts out at 12 volts and is dropping to 7 or 8 volts then you have a bad battery. I check for vacuum leaks by using an unlit propane torch.

If it doesnt crank at all check the battery condition. Start the vehicle and leave it running. Mjwarr Standard Member Send Private Message Vettes.

Take a multimeter and test across the poles on your battery. Try adding some fuel injector cleaner and octane boost to the gas. BMW ACURA Honda Lexus Toyota.

The fuel injectors work at any RPM so a choke is not necessary. If the battery has a weak cell it will produce enough power to run certain things in the vehicle but not the vehicle it self. If that carb has an idle speed screw adjust it so itll stay running so you can do some tests.

This happens whether or not I try to hold the pedal down or. Car starts but wont stay running. This would usually cause the car to lag or run slow even though the engine was working extra hard.

Put a new battery in it. With the engine running aim the propane gas around areas that might have a vacuum leak. In this video I perform a diagnostic on what could be causing my car not to stay on.

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