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Old 01-19-2001, 08:52 PM   #16
FargoRS
Scooby Newbie
 
Member#: 419
Join Date: Oct 1999
Location: Fargo, ND, USA
Vehicle:
2002 WRX

Cool

You guys are right. The sensor on the back of the CAT is other O2 sensor. It makes sure that the CAT is working properly. I guess it's more of an emissions sensor than a management sensor like the front one.

I'm glad I said (I think) that it was a A/F sensor That saved me right? With all they reading and research I'm doing on O2's...I'm getting all confused. I'm no mechanic that's for sure

Mike

[This message has been edited by FargoRS (edited January 19, 2001).]
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