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Pontiac Grand Prix Problems

Stalling or Low Engine Idle Speed Due to Dirty Throttle Body on Pontiac Grand Prix

Problem Description and Possible Solution

Body: A dirty throttle body may cause a lower than normal engine idle resulting in a stalling condition. A stalling condition may also result if an idle learn procedure is not performed if the battery goes dead or is disconnected.

(7 people reported this problem)

Pontiac Grand Prix Vehicles With This Problem

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Average mileage: (–)
Engine affected: 3.1L V6
5 model years affected: 1990, 1991, 1992, 1993, more2000
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After I start my car at Idols for one of the two seconds find then becomes rough and drops down to half of what rpms should be.