Car Problem Reports

Oldsmobile Cutlass Supreme Check Engine Light Due to Oxygen Sensor Failure

Oldsmobile Cutlass Supreme Problem
4 Reports
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Model Years Affected: 1990, 1991, 1992

Exhaust & Emissions Affected: 2.3L 4 Cylinder


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

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