2003 Pontiac Grand Prix GTP Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 2003 Pontiac Grand Prix GTP
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2003 Pontiac Grand Prix GTP ProblemsIntake Manifold Gasket May Leak Coolant or Engine Oil
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 fuel pump may fail causing engine to stall and not restart.
2003 Pontiac Grand Prix GTP QuestionsWhen driving the low oil level come on. Then the car cuts off while driving. Will start back up. ?? ? (1 answer)
Also exhaust smells like gas