Check the alternator.
A vacuum leak could cause that.
check the soleinoid
The cause of high engine idle and surges in the 1989 Corvette is due to..Read More
Look for an intake vacuum leak
An engine usually has a higher idle speed when the ac is running. If the high speed idle does not operate then the ac will cause the engine to stall.
most common cause, a vacuum leak.
Engine vacuum leak.
No it will not. It only controlls the idle of the engine.
Could be throttle plate stuck open Try to free it with screwdriver with engine off
A bad camshaft can cause your engine to idle high and overheat. A fuel injector pump that needs to be adjusted can also cause the same problems.
There are several things that can cause your 1997 Kia engine to idle too high. The most common cause is a malfunctioning fuel pressure regulator.