O2 sensor may fail causing the engine to run rich on Oldsmobile Achieva

Problem overview

The oxygen (O2) sensor may fail causing the engine to burn to much fuel and may cause the check engine (SES) light to illuminate.

Oldsmobile Achieva vehicles with this problem

1 model year affected

1994 Oldsmobile Achieva

Average mileage: 100,000 miles

(100,000 - 100,000)

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O2 sensor may fail causing the engine to run rich on Oldsmobile Achieva

Problem overview

Oldsmobile Achieva vehicles with this problem

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