Problem Reports
Chevrolet Celebrity
Report: Rich-running engine due to oxygen sensor failure
Chevrolet Celebrity Problem
Model Year Affected: 1990
Exhaust & Emissions Affected: 2.5L 4 Cylinder
Verified
The oxygen sensor can fail causing the engine to run very rich or use more gasoline than normal. Black smoke may be emitted from the tail pipe and this can also accelerate failure of the catalytic converter.