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Auto Parts Gallery - Electrical
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What is it?
FE 802 oxygen sensorWhat does it fit?
1980-1996 GM applicationsWhy does it fail?
Normal wear or outside contamination.What happens when it fails?
Rough-running engine, reduced gas mileage, excess emissions and other problems.How often should it be replaced?
At failure, and as part of a preventive maintenance tune-up every 30,000 to 60,000 miles.