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
1 answer
2003 Pontiac Grand Prix GTP
0 answers
2003 Pontiac Grand Prix GTP
2 answers
2003 Pontiac Grand Prix GTP
$140 to $177
2003 Pontiac Grand Prix GTP
$380 to $1,185
2003 Pontiac Grand Prix GTP
$157 to $201
2003 Pontiac Grand Prix GTP
$175 to $276
2003 Pontiac Grand Prix GTP
$41 to $56

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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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