Oldsmobile
Cutlass Supreme
4

Check Engine Light Due to Oxygen Sensor Failure on Oldsmobile Cutlass Supreme

Problem Description and Possible Solution

The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).

Problem Data
RepairPal Verified
Average mileage: (–)
Exhaust & Emissions affected: 2.3L 4 Cylinder
3 model years affected: 1990, 1991, 1992
4 people reported this problem