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Guest Message by DevFuse

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'00 OBW: O2 Sensor, Bank 1 Sensor 2 - Front or Rear?

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2 replies to this topic

#1 the_bard


    Upstate NY'er

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  • 941 posts
  • Rexford, NY

Posted 16 July 2005 - 11:18 AM

Autozone says the CEL my wife's 2000 OBW is throwing is the "Bank 1 Sensor 2" O2 sensor. Common sense tells me that it ought to be the O2 sensor to the rear of the cat. Can anyone verify this?

#2 ferret


    Subaru Nut

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  • 723 posts
  • Northern NJ

Posted 16 July 2005 - 12:38 PM

Yes..Your Subaru, as most, have only 1 bank of Oxygen sensors..Bank 1. Sensor 1 in the front, usually right in the Y pipe Cat, Sensor 2 is the rear, usually by the tranny tailshaft. On Newer, some 2003 and up, the rear is in the backside of the same Y pipe Cat.

#3 the_bard


    Upstate NY'er

  • Members
  • 941 posts
  • Rexford, NY

Posted 16 July 2005 - 10:13 PM

Thanks... now to find someone who carries 'em. AZ wants way too much ($350 for the front, $150 for the rear), and 1stsubaruparts.com carries only the front from what I saw ($88).

Gotta hunt some more...

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