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Problems for specific Pontiac Grand Prix years:

Car problem reports

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Most reported Pontiac Grand Prix problems

 

Verified for the Pontiac Grand Prix

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 us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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

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

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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 control solenoid.

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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.

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The water pump may develop a coolant leak resulting in an engine overheating condition.

 

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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.

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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.

 

21 Reports
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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.

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The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.

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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.

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An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.

13 Reports
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Verified for the Pontiac Grand Prix

Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct this condition.

13 Reports
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Verified for the Pontiac Grand Prix

One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.

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