E46Fanatics - View Single Post - Rough idle cold start CEL on 325XI
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Old 01-09-2013, 05:10 PM   #16
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Join Date: Oct 2010
Location: Minnesnowta
Posts: 3,673
My Ride: 4cyl of fury
Originally Posted by pinoyboy204 View Post
update: well the problem came back. it was -20 outside trying to warm up my car a week ago. i get a check engine light and all of a sudden engine feels like its running rough. same code misfire cyl 2. i have since replaced all plugs and the one coil pack that was the problem in cyl 2. what could be the problem?? my indy mechanic says to replace all coil packs which I think is BS.
Swap coil packs around to see if misfire moves with the coil.
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