Quote:
Originally Posted by jbash87
Some quick googling says 31 is a generic lamda code issue, while 2C refers to bank 2. Bank 1 would be 2B. I would think you'd get a 31 with either bank.
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That's what i figure as well. 2C2C says lambda probe before catalyst 2, signal or value above threshold. I read that it might not be the O2 sensor itself, but rather something else that is causing fuel trim out of range. I am thinking maybe I swap the left/right O2 sensors, and see if the error persists, or pops on the other side - this will tell me whether it's the O2 sensor failing, or something else causing the issue.