- Passlock Problem, Won\'t Start and Security Light Is On 224 complaints at an average of 91,296 miles in the 2002 Chevrolet Impala.
- Shifting Rough 54 complaints at an average of 90,985 miles in the 2005 Chevrolet Impala.
- Intake Manifold Gasket Failure, Leaking Coolant 143 complaints at an average of 89,614 miles in the 2002 Chevrolet Impala.
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