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Resources for the Repair and Maintenance of your 2003 Pontiac Grand Prix GTP

2003 Pontiac Grand Prix GTP

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2003 Pontiac Grand Prix GTP Problems

Engine -- Verified

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.

Engine -- Verified

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.

Engine -- Verified

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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.

Engine -- Verified

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.

Engine -- Verified

The fuel pump may fail causing engine to stall and not restart.

2003 Pontiac Grand Prix GTP Questions and Answers

J-Mac, 2003 Pontiac Grand Prix GTP, Strongsville, OH

So apparently my entire exhaust system has rusted out. I took it to a Firestone today, and they told me it needs everything from the catalytic converter on back replaced as everything is rusted ou...

Visitor, 2003 Pontiac Grand Prix GTP, Aliquippa, PA

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 an...

breick, 2003 Pontiac Grand Prix GTP, Aledo, IL

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

dances, 2003 Pontiac Grand Prix GTP, Hazard, KY

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

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