P0420 cel
#32
I didn't put the CEL eliminator in after I installed the header/downpipe and then after about 100 miles or so, the light came on. I got the eliminator installed shortly after that, cleared the code and have been light free ever since for over 2k miles now. It goes on the one after the cat.
Last edited by cubenoob; Jul 1, 2009 at 11:13 AM.
#41
I first went through putting the elim on the first and had only one code thrown. Forgot what it was but then put elim on 2nd and got the p0420 code so I upgraded to the antifoulers but still never went away. Now I'm trying the weapon-r setup and hopefully I'll be done with this code.
#42
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I decided to go for the double spark plug non-fouler trick, for $5 only it's worth a try. The code hasn't come back yet, but I need to run it for longer to make sure. Good luck with the weapon R, I'd be interested to know if it works.
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