Pontiac Grand Prix GTP Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Pontiac Grand Prix GTP

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. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue. RepairPal cannot confirm a recall for this concern on these models.

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i noticed when i was flushing my brake lines(i was doing that because i was changing my brakes and calipers and troubleshooting why i had no brakes) that a sensor was unplugged from my master cylinder. i plugged it back in (my master cyl. had been the cause and took it to a local shop (northshor...

My air filter was changed out to accomodate a K&N round filter, before i bought it, and twice i have almost catastrophic random cylinder firing error messages on the the message center. each time i have to pull over shut off the car and sit, then disconnect the battery to reset before contin...

2004 pontiac greens prix gtp. I had rebuilt 2 yrs ago. I drive to 40 mph and it revs high?? I have no idea what's happening now. Anything from anyone would help. Thank you

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ive had my car since 2004. The only major problems ive had is the alternator has gone out 2x. small things like the part that runs the heater is going out but I heard that happens because the part is only good for 100,000 miles and I have 137,000 miles. I have had issues with the chain that runs the supercharge engine. It keeps falling off and now the pulley that runs the engine has broken off...

ok just bought a 97 gp gtp the other day i love the car has alot of balls and the only problem so far that i found out with it is that my low beams does not work and have to drive with highs on all the time the car has 215XXX miles on the body with 42XXX on a rebuilt motor and tranny for this being my first pontiac vehicle and a first car that is supercharged i wouldnt mind owning another gtp!

Bought this car with 22,000 miles in 2004. I love my car, would never trade it in, unless I could get another one!! Starting to need some repairs (150,000) but nothing out of the ordinary. I hope this one runs forever!!! My sons are constantly arguing who will get the car when I can no longer drive, LOL!

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