Hot soak surge?
Hot soak surge?
HI. Am having hot soak surge like symptoms at restart after about 1 to 4 hours on 1992 Chevy Lumina APV Van with 150k miles 3.1 engine. Wont idle without pumping gas pedal for about 1 minute, then no problem. Thanks for any help...
Re: Hot soak surge?
a leaky injector may cause a symptom like that. Fuel pressure regulator leaking too could cause a similar symptom. Basically the engine will become flooded and you have to clean out the excess fuel then it will run normally. You might want to look at your fuel trims to see what your computer is doing to adjust the fuel mixture whne the engine is running. See if it is taking away fuel from the norm.
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