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2004 Pontiac Grand Prix Problems

Find the most common issues based on 2004 Pontiac Grand Prix owner complaints.
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Most Common 2004 Pontiac Grand Prix Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
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. Our technicians tell ...
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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1 Known 2004 Pontiac Grand Prix Brakes Problem

The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)

2 Known 2004 Pontiac Grand Prix Drive Train Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
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...

2 Known 2004 Pontiac Grand Prix Electrical & Lights Problems

One or more power windows may stop working due to a failed window motor or switch. Proper diagnoses will be necessary to determine the exact cause.
One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.

6 Known 2004 Pontiac Grand Prix 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. Our technicians tell ...
The fuel pump may fail causing engine to stall and not restart.
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.

5 Known 2004 Pontiac Grand Prix Exhaust & Emissions Problems

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please cont...
The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

3 Known 2004 Pontiac Grand Prix Heating & Air Conditioning Problems

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

1 Known 2004 Pontiac Grand Prix Maintenance Problem

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

0 Known 2004 Pontiac Grand Prix Miscellaneous Problems

2 Known 2004 Pontiac Grand Prix 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...

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Known 2004 Pontiac Grand Prix Problems & Complaints

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.
One or more power windows may stop working due to a failed window motor or switch. Proper diagnoses will be necessary to determine the exact cause.
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. Our technicians tell ...
The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please cont...
The fuel pump may fail causing engine to stall and not restart.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)
The water pump may develop a coolant leak resulting in an engine overheating condition.
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
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 2004-2007 Pontiac Grand Prix 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 illumi...
The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).
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 high pressure power steering hose will commonly leak fluid; it should be replaced.
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