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BMW 3-Series (E90 E92) Forum
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Sooty Injector + Downpipe
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| 04-28-2012, 08:45 AM | #1 |
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Private First Class
 34
Rep 109
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Sooty Injector + Downpipe
A while ago I changed my plugs. Cylinder #1's plug was very black and sooty, while the remaining plugs looked fine. I checked the injector coding for cylinder #1's injector, and it was right. Last weekend I got DPs, and noticed bank #1's DP was very black and sooty while bank #2's was not at all.
I dont have any codes or anything. I was going to check the fuel trims if that is available through Cobb's AP. All my injectors are the new PN. Anyone observered something similar? Something tells me I might be better off swapping cylinder #1's injector. |
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