2000 Pontiac Grand Prix Q&A
2000 Pontiac Grand Prix Question: engine problems
when you start the engine it idles fine for 2 to 3 seconds then shuts off. if you rev the engine up and down at 3 to 4 thousand rpm you can keep it running but if you hold a steady throttle or let it idlr it dies. It dosent miss or smoke and i havent found any obvious vacum leaks and i have changed the maf sensor and it dident change anything.It is a supercharged 3800 - DEER_HUNTER
It still sounds like a vacuum leak or air intake leak -- just maybe a not-so-obvious one. Could be fuel pressure issue, but not as likely. - DaveJHM
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.
My engine light and reduce engine power light came on. To me the car is running poorly and I'm afraid it will stop on me. Can anyone help on know what needs to be done to solve this problem!!
The fuel pump may fail causing engine to stall and not restart.