For what it's worth, I just recently got a P0420 (Bank 1 catalyst efficiency below threshold). Reset the PCM, but it returned. Believe I'll change HO2S12 (bank 1 downstream) just for kicks before relinquishing my baby to the dealer.
Yeah, I know, if it's the cat then it's under warranty, but even in a case like this I don't want to take her in except as a last resort. Pretty sad, really... :rolleyes:
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Garrick
Silver E0, #3895 of 6535, built 10/2/97
She's stock. Why mess with a good thing?
