- Engine a Knocking Noise 2 complaints at an average of 55,729 miles in the 1989 Pontiac Bonneville.
- Turns Over but Won't Start 2 complaints at an average of 168,000 miles in the 1988 Pontiac Bonneville.
- Engine Won't Turn Over 1 complaints at an average of 120,000 miles in the 1989 Pontiac Bonneville.
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