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hello, I am Randall.
bad storm overhead so if we get cutoff, i will get back with you
Ok, the code is for the front O2 sensor. Something has more than likely failed within the sensor. Normally this will not cause any running problems but may affect gas mileage. Now.. there is a standing recall for this. I would surely call dealer first. It is located at front of engine screwed into exhaust. will look like a spark plug. here is the recall info for that sensor
NUMBER: WXW-80 DATE: 01/2001 APPLICABILITY:2000MY Subaru Legacy and Outback 4EAT 2000MY Impreza 2.5 RS MT5 or 4EAT 2000/2001 MY Forester MT5 or 4EAT SUBJECT: Front Oxygen (Air/Fuel Ratio) Sensor
Subaru of America, Inc. (SOA) has determined that the affected vehicles listed below may experience front oxygen Air/Fuel (A/F) sensor element cracking. Should this occur prior to replacement, the CHECK ENGINE warning light/Malfunction Indicator Lamp (MIL) will illuminate steadily while the engine is running advising the driver of a malfunction and the need to seek repair service.
This program will involve replacement of the front oxygen (A/F) sensor on affected vehicles.