Subaru Impreza Problem Report

Subaru Impreza Check Engine Light Due to Failed Front O2 Sensor

(4 reports)

The front oxygen (air fuel ratio) sensor element may develop a crack, causing the Check Engine Light to illuminate. Subaru has recalled certain models to replace sensors that may fail. The Subaru service program number is WXW-80, this is not a government mandated recall.

 

Yea my check engine light comes on every month or so saying the bank 1 sensor 1 o2 sensor is bad. So I clear it but never fails to come back on -
took car in to have it checked. Mechanic stated that all was well. -
This will be the second time I have changed my O2 sensor. -
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