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2003 Pontiac Grand Prix GTP Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Pontiac Grand Prix GTP

2003 Pontiac Grand Prix GTP Problems

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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2003 Pontiac Grand Prix GTP Questions

why is it still quitting been on the mon.machine shows noting abs and track also on.

Car starts, runs for 2 seconds and dies. Happens over and over. Thanks.

usually happens when the car has been sitting for awhile, like overnight or at work all day. starts right up i can put it into gear, any gear, but it will not move. then all of a sudden it jerks and goes.

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