2004 Pontiac Grand Prix GTP Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Pontiac Grand Prix GTP
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2004 Pontiac Grand Prix GTP ProblemsCheck Engine Light Due to Gas Cap Issue
A Loose or worn gas cap may cause Check Engine Light to illuminate.
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be completely flushed.
2004 Pontiac Grand Prix GTP QuestionsWhat causes the car to lose power and the engine to vibrate? (1 answer)
Pontiac Grand prix gt
The dealership wants $910
When I am driving down the road and I get on the gas the car shakes. If I keep on the gas the check engine light will flash. I've already replaced the spark plugs and wires. This occurs all the time. Also I've notices lately that when I start my car sometimes it has problems starting. It&...