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Old 19 Sep 2005, 10:11 am
T L via CarKB.com
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Default Re: P0420 (catalyst) code

I had my Catalyst go bad in my 98 civic after a tank of bad gas. Filled up
at this place my buddy swore by cuz they gave a cash discount. Also noticed
that the fuel smelled like nail polish remover while filling up. Shoulda
been my first clue. The whole way home from Regina to Winnipeg the car was
bucking and sputtering, about a week later the catalyst went bad.
Fortunately Honda covered it. Not before they reset the ECU twice though. I
think I got an O2 sensor out of the deal too. They reuse them unless they
can't free them from the old manifold.

t

MAT wrote:
>> WHY did you reset it? Your only hope now is it comes back before the 80k.
>> A letter will mean nothing to Honda. Chances are the dealer would have

>[quoted text clipped - 5 lines]
>> code. The catalyst efficiency test has to be complete before the code will
>> be set....

>
>Shucks! In hindsight, I wish I didn't clear the code! Damn you RAMH for
>making us competent and self proficient Honda owners! Unfortunately I
>have no scanner, just a paper clip. I guess I'll have to try the test
>procedure and see if I can trip the code again. Could a bad tank of gas
>cause this? I took a trip up to NJ from VA and got gas from a shady looking
>Getty, I thought maybe the gas guy just didn't twist the cas cap enough
>clicks but the code was not the evap canister one.



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