Thread: oil on MAF
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      02-01-2013, 01:55 PM   #12
Drives: 335i Jet Black/Coral Red
Join Date: Mar 2010
Location: nyc

Posts: 2,858
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Originally Posted by centexE9x View Post
Sounds like it would be worth pulling the plugs on your vehicle to see if any look really black. Might be a leaking injector(s) killing your mileage. I've heard of other people complain about bad mileage but was never able to verified it.
leaky injectors would leave him misfiring in worst case scenarios, or give him a rough smokey startup in the morning
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