how to replace oxygen sensor on Subaru Outback 2004 2003 2002 2001 2000 P0051 code Denso 234-9010
Make sure to replace it on cold engine, otherwise you may get burned and also damage threads. Wait at least 4 hours for a car to cool down.
Denso 234-9010 Air Fuel Ratio Sensor
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Oxygen Sensor Flexible Double Sided Head Wrench
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The video presents how to replace the oxygen sensor/Denso 234-9010 Air Fuel Ratio Sensor in Subaru Outback H6 2004 2003 2002 2001 200. Make sure to disconnect battery terminal since you are working with electrical part. For code P0051 the oxygen sensor is located on driver side of the car (USA model) I was able to crawl under the car without any lift and replace it without removing any panels. I removed the battery for easier access to the cables. Make sure to place anti seize on threads so that oxygen sensor can be removed easily if you have to replace it again.