Quote:
Originally Posted by DAWG NATION
So after doing the drive cycle etc. You were still getting O2 Sensor and Catalyst "Not Ready" errors and only replacing the front O2 sensor fixed the problem?
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Yes... Using my OBD2 reader I noticed it had said that for at least a year and wondered if it was something that wasn't supported so didn't worry too much. I finally decided to replace my upstream O2 sensor just because it had about 330k miles on it and within 20 minutes of driving it around the Catalyst read"Completed". Seems the Catalyst drive cycle is an pretty easy one unlike the Evap.