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2007 forester 2.5 X
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Discussion Starter #1
I have a bit of confusion with my mechanic who seems a bit uncertain as to which sensor mounted on/near cat converter is the front o2 sensor. I think it is the orange-sheathed sensor located low behind the radiator but he thinks it is the sensor with gray sheathed wire which plug is located just to the left of the plug with the orange-sheathed wire. The sensor connected to gray-sheathed wire is on passenger side of engine compartment.

Is there an engine diagram which can show me the location of the sensors?


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