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Problems for specific Pontiac Grand Prix GTP years:

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Most reported Pontiac Grand Prix GTP problems

 

Verified for the Pontiac Grand Prix GTP

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

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Verified for the Pontiac Grand Prix GTP

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

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Verified for the Pontiac Grand Prix GTP

The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

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Verified for the Pontiac Grand Prix GTP

The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored in the PCM. Patience is necessary when dealing with this specific situation as normal diagnostic procedures are not effective. In many cases, the best option is to replace parts, one at a time until the fault is corrected.

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Verified 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.

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Verified for the Pontiac Grand Prix GTP

The EGR tube may develop an engine vacuum leak causing the Check Engine (SES) light to illuminate.

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