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Old 03-14-2012, 11:12 PM   #1
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Join Date: Sep 2011
Posts: 203

I Noticed that my jeep started to idle rough so I checked for codes with the key trick and I got 06-02. I searched and found what it figured it was,

P0602 (M) ECM Fueling Calibration Error ECM Internal fault condition detected.

I also searched for info on this and couldn't find much but an explanation of the problem( not solving it) or an argument. Could this be my problem and what am I looking at? If there's already something out there for this a link would be awesome. Thanks

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Old 03-15-2012, 09:40 AM   #2
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Join Date: Sep 2011
Posts: 203

And PCM my bad... Anyone had this problem?
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