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Old 02-03-2013, 04:01 PM   #7
Focus Enthusiast
Join Date: Jan 2013
Fan#: 108093
Location: Portland, OR
What I Drive: 2001 Red Focus SE Street Edition

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jetrinka, I bought a used 2001 Focus SE back in December that was giving me that code and replacing both O2 sensors fixed the problem. I bought it knowing that code was set and assuming I would have to replace the cat, so it was a nice Christmans present from the auto gods i guess.

I know what the theory says but this is one area where practice differ in how Ford implemented it. In fact when I went to buy the sensor I had the OReilly parts manager confirm the code read with their scan tool (since I use a cheap $9.99 Chinese USB-to-laptop OBD scanner) and the parts guy said that usually only changing the front sensor was needed to fix that problem. I did both because I figured if one was bad the other was at the old rage stage also.
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