Quote:
Originally Posted by MightyBobo
Is simply clearing a code/unplugging a battery really that unknown? I've done that several times for cars - my Z included (which was reading P0420, indeed), and my wife's Camry (same thing, oddly enough).
I thought EVERYONE did that...
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Guys have tried that in Va, but the few people that ive known still failed emissions and they didnt have CEL's either.
The tester hooked it up and it said that the rear o2 sensors were listed as "not ready" or something like that, so they failed.