Worst 2006 G6 engine Problems
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- trouble starting
- engine sluggish to accelerate
- engine oil leak
- engine stalls & difficult to restart
- head gaskets leaking
- motor blew
- rhythmic hissing sound from under hood
Compare Pontiac G6 Model Years
Curious how the 2006 G6 compares to other years? Check out our new Pontiac G6 overview page to see the most problematic years, worst problems and most recently reported complaints with the G6.