Worst 2004 Grand Prix engine Problems
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- issues with starting
- service traction control on display center car turns off
- won't start
- engine knocking
- engine failure
Compare Pontiac Grand Prix Model Years
Curious how the 2004 Grand Prix compares to other years? Check out our new Pontiac Grand Prix overview page to see the most problematic years, worst problems and most recently reported complaints with the Grand Prix.