Car Problem Reports

Pontiac Grand Prix Engine Vacuum Hose to MAP Sensor May Crack

 
Pontiac Grand Prix Problem
3 Reports
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Model Years Affected: 1990, 1991

Engines Affected: 2.3L 4 Cylinder, 3.1L V6

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The engine vacuum hose to the MAP sensor may crack resulting in a vacuum leak causing the engine to run rough and/or stall.

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