Check Engine Light Due to Ignition Related Failures on Pontiac Bonneville

Failure of the crankshaft position sensorignition control module, or powertrain control module (PCM) may cause the Check Engine Light to illuminate.

RepairPal Verified
Average mileage: 52,000 (52,000–52,000)
8 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2005
9 people reported this problem
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