Check Engine Light Due to Ignition Related Failures on Buick Park Avenue

Problem Description and Possible Solution
Problem Data
RepairPal Verified
Average mileage: 137,500 (120,000–155,000)
7 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003
10 people reported this problem
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Check engine light illumination, found crankshaft position sensor to be dirty full of rust - cleaned and reinstalled - problem solved