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Old 01-13-2014, 12:27 PM
acicomp acicomp is offline
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2002 Pathfinder
 
Join Date: Nov 2007
Location: Concord, NC
Posts: 11
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Well, I got my ECM back on Friday and put it in. Got it to running temp and did an idle relearn. It runs fine now and purrs along except... I am now getting a P0420 code. Now to figure out if the cat is really bad. I have hooked up a scanner and my downstream o2 sensor is fluctuating just like the upstream, so I know there is most likely something happening with the cat converter. I am curious to see if I drive it for a while on the interstate and get it really hot, if the converter might do some "self healing" and clean itself up some. Didn't have the p0420 before the IAC went bad that started all this mess.

Last edited by acicomp; 01-14-2014 at 09:32 AM.
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