Report: Check Engine Light Due to Oxygen Sensor Failure
Chevrolet Lumina Problem
Model Years Affected: 1990, 1991, 1992
Exhaust & Emissions Affected: 2.5L 4 Cylinder
The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).
Check engine light comes on ONLY when driving at high speed when I let off the gas feed. Like the interstate. Whe...
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