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Old 04-20-2012, 09:51 PM   #7
Bimmer Heaven
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Join Date: Feb 2002
Location: Ontario
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Quote:
Originally Posted by Jabs View Post
Well the plugs look fine, i dot think its normal for 3 cylinders to misfire over night . Not all of them are missing at the same time though. If feels like only one. I still think it is very strange because it will stop misfiring when i clear the engine codes. Its instant
I you drove for a long time with the CEL on, its not just "overnight"...
Catalitcs and o2 sendors work on 3 cylinders each, so very nornal to have 3 missing if you have a bad o2, or cat...
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