2003 Pontiac Grand Prix
Worst 2003 Grand Prix engine Problems
Click on a problem below to read more.
- intake manifold leak3
- rod knock3
- engine is intermittent-will not turn over about once a week1
- NHTSA: Engine22
- NHTSA: Engine And Engine Cooling8
- NHTSA: Engine And Engine Cooling: Engine5
- NHTSA: Vehicle Speed Control: Accelerator Pedal2
- NHTSA: Vehicle Speed Control1
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