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2005 Pontiac Grand Prix GTP Problems

Intake Manifold Gasket May Leak Engine Oil

for the Pontiac Grand Prix GTP

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.

18 Reports

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Stalling Due to Mass Air Flow or Crankshaft Position Sensor Failure

for the Pontiac Grand Prix GTP

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.

13 Reports

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Serpentine Belt Tensioner Pulley May Wear Out

for the Pontiac Grand Prix GTP

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.

12 Reports

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High Pressure Power Steering Hose Can Leak Fluid

for the Pontiac Grand Prix GTP

The high pressure power steering hose will commonly leak fluid; it should be replaced.

7 Reports

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Noise from front section of supercharger

for the Pontiac Grand Prix GTP

The supercharger may develop a noise in the front section of the supercharger assembly. The is due to a worn coupler. Our technicians tell us that a remanufactured coupler section is available from aftermarket suppliers.

5 Reports

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Check Engine Light Due to Gas Cap Issue

for the Pontiac Grand Prix GTP

A Loose or worn gas cap may cause Check Engine Light to illuminate.

3 Reports

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Steering May Develop Clunk Noise From Upper Intermediate Steering Shaft

for the Pontiac Grand Prix GTP

The steering may develop a clunk type noise from the upper intermediate steering shaft. Our technicians tell us that you should check with your local GM dealer to find out what the latest repair is for this condition.

2 Reports

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