Quote:
Originally Posted by ATL BRZ
Have you been checking/clearing it with a code reader to confirm it's P0420 or P0430 and not something different?
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no I have not cleared it, the first time it came on was a 420... like i was expecting... then same pattern ever since then, on for a day or two... then off for 3-4. I'm not worried about it because won't change my plates till end of 2014 and I always keep my stock parts for emissions testing :-)