2006 Pontiac Grand Prix Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2006 Pontiac Grand Prix
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2006 Pontiac Grand Prix ProblemsPlugged Catalytic Converter May Cause Loss of Engine Power
The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please contact your local GM dealer to see if your vehicle is included.
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.
2006 Pontiac Grand Prix Questions1. Engine stutters, particularly under load (eg hill climb, or accelerating) (1 answer)
Engine runs relatively smoothly once at speed. I thought it was fuel flow (eg filter issue), but learned there is no regular filter to service. There should be no excessive sediment in gas tank that would cause that filter screen to block. I'm thinking fuel pump? There is also some hesita...
My car won't start and I am getting the P404 error code. It's cold here now so issues are starting to arise with my vehicle. I just replaced the MAF sensor because that was also causing my car not to start just a couple days before this. The other day, I was warming up the vehicle, it was...
2006 Pontiac Grand Prix RecallsIgnition Lock Cylinder Concern
Excess weight on the key ring can cause the ignition switch to move out of the run position without warning, turning off the engine. This defect can also affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. Dealers will provide two replacement key rings and key cover on all ignition keys to correct this concern.