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Check Engine Light Due to Ignition Related Failures on Oldsmobile 88

Problem Description and Possible Solution

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

Problem Data
RepairPal Verified
Average mileage: 145,884 (123,538–160,000)
4 model years affected: 1996, 1997, 1998, 1999
8 people reported this problem
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check engine light due to ignition plugs and wires changed but rides rougher now and check engiune light flashes