Pontiac Grand Prix Help and Advice

Look through some of our Grand Prix repair questions and answers. There may be some auto repair answers you were looking for that are related to your problem. Check engine light, misfire, air conditioning, tire pressure monitor system, ABS, transmission and more.


2002 Pontiac Check Engine Light Flashing

2002 Pontiac Grand Prix 3800 series 2.

Engine light stays on.
Question = engine light stays on, if I floor it light blinks then stays on again. is there something wrong?

Answer: Yes, there absolutely is something wrong. Anytime the check engine light is on, there is a code(s) stored in the computer that is related to what part of the emissions system is having a problem.

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2000 Grand Prix Won't Stay Running and Check Engine Light

2000 Pontiac Grand Prix 3.8L V6.

GM Computer codes = Manifold Absolute Pressure ( AKA MAP ). Crank & Cam Position Sensors, Ignition Module, Plugs replaced, checked fuses.
question =    I have a 2000 Pontiac Grand Prix. About a week ago my car started shutting off when I was driving. Just like as if I turned the key off.

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2004 Pontiac Service Tire Pressure System and ABS Warning

Problems with my 2004 Pontiac Grand Prix.
Engine size 6 cyl.
Warning lights = Effort Steering, Service ABS, Service Tire Pressure
Just replaced transmission a few months ago! Also speedometer not reading correctly.
This appears to be a problem as it is all over the internet. Is there a known fix, and has GM covered any of it?

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1998 Pontiac Grand Prix Auto A/C Fan Not Working

Question: My 1998 Pontiac Grand Prix GTP's CJ2 Digital Heater - A/C Control is putting out only 0.03 volts at pin C11 when the CJ2 connector is back probed and the defroster is set to high. I have performed the air conditioning diagnostics ("Blower Motor Inoperative at Any Speed," pages. 1-186 and 1-187) several times always reaching the final step, # 29, which is to replace the Heater - A/C Control.

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