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2005 Pontiac Grand Prix GTP Problems

Find the most common issues based on 2005 Pontiac Grand Prix GTP owner complaints.
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Most Common 2005 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 wit...
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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0 Known 2005 Pontiac Grand Prix GTP Brakes Problems

1 Known 2005 Pontiac Grand Prix GTP Drive Train Problem

You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...

1 Known 2005 Pontiac Grand Prix GTP Electrical & Lights Problem

The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.

6 Known 2005 Pontiac Grand Prix GTP Engine 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 wit...
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.

2 Known 2005 Pontiac Grand Prix GTP Exhaust & Emissions Problems

A Loose or worn gas cap may cause Check Engine Light to illuminate.
The 2004-2005 Pontiac Grand Prix GTP is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing il...

1 Known 2005 Pontiac Grand Prix GTP Heating & Air Conditioning Problem

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

1 Known 2005 Pontiac Grand Prix GTP Maintenance Problem

Contaminated brake fluid can cause problems in the brake system and it should be flushed every 60,000 miles.

0 Known 2005 Pontiac Grand Prix GTP Miscellaneous Problems

2 Known 2005 Pontiac Grand Prix GTP Suspension & Steering Problems

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

14
Known 2005 Pontiac Grand Prix GTP Problems & Complaints

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...
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 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.
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 wit...
The water pump may develop a coolant leak resulting in an engine overheating condition.
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 i...
The 2004-2005 Pontiac Grand Prix GTP is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing il...
Contaminated brake fluid can cause problems in the brake system and it should be flushed every 60,000 miles.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...
The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.
The high pressure power steering hose will commonly leak fluid; it should be replaced.
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
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.
Get a Repair Estimate
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RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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