Error code is driving me up the wall
Sep 12, 2013, 09:20 AM
#1
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Error code is driving me up the wall
I'm on the verge of trading in my car over this god damn code. Short of tuning it out I've tried everything. The code btw is P0420.
Sep 12, 2013, 10:48 AM
#4
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Or try this thread
https://www.evolutionm.net/forums/ev...0420-code.html
Google my friend works wonders
https://www.evolutionm.net/forums/ev...0420-code.html
Google my friend works wonders
Sep 12, 2013, 11:24 AM
#5
So, have you removed, modded or other wise replaced the cat? If so put the stock one back on. If you havent and its a stock cat-- replace it with another one, either from the forum or aftermarket-- like magnaflow OEM cats.. dont be thinking the sparkplug extenders or other bs is going to be a permanent fix, sometimes they work, sometime not and if you did anything with the rear o2, put it back. That goes for HFC ( hi flow) cat-- .
Last edited by meckert; Sep 12, 2013 at 12:13 PM.
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