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2004 legacy awd 2.5

tundra08
in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX

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I have a 2004 Subaru Legacy sedan. Could someone tell me what this means.  o2s12 (v). I think its a o2 sensor but where is it located.

Thanks for your help

Sensor 1 Bank 2.  First cat, first sensor on passenger side.

Bank 1 is driver side.

A search will get you the fsm for that year.

 

O.

Bank 1 is passenger side. (The side with cylinder #1)

Bank 2 is drivers side.

 

Are you getting a code for the sensor? What is the code?

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