Thread: O2 Sensor Fault Codes - Deciphering Help
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      11-18-2015, 07:30 PM   #14
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Originally Posted by happos2
Quote:
Originally Posted by Mike Benvo View Post
Did you replace the post cat oxygen sensors or the precat sensors?
Pre-Cats. Guess I should replace post cat.

This one to be exact:

http://www.amazon.com/Bosch-16793-Ox...1&s=automotive
So what happened? I'm sort of in the same issue as you with the 27C7, and 2727 codes from bank 2. Not sure what to do.
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