P0420 and what should I do ?

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Re: P0420 and what should I do ? #1584695 06/07/06 01:34 AM
Joined: Jun 2005 Posts: 5,345 Virginia, USA T Tony2005 Addicted CEG\'er
Tony2005 Addicted CEG\'er T Joined: Jun 2005 Posts: 5,345 Virginia, USA	Originally posted by yellowalfa: ...now I've put on mileliminators, thinking that it would fix the problem, but when I started the car, the check engine light is still on. I haven't had the code read to see if it is still P0420, but before that code there was no check engine light and it's never had a problem before, so... I was just wondering if the P0420 code could still be coming up because one of the oxygen sensors was bad?... If you disconnected the battery while installing the mileliminators, all previous codes should have been erased. Incidentally, what type of mileliminators did you install? And did you install them correctly? Scan for the CEL code(s) and then you (and we) will have a better idea what the problem is. Right now, it is only a guess, broken connection, installed incorrectly, other codes not related to precats...... "Always do the cheap and easy ones first." 1996 V6 ATX 96K miles

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