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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Cylinder 6 Misfire with oil on plugs and injector



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      04-13-2023, 11:20 AM   #1
PearlyN55
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Cylinder 6 Misfire with oil on plugs and injector

Started last week I have a 25 minute drive to work nothing out of the ordinary but once I got local I could hear the motor sound like it was struggling so I pulled over, idled rough for about 15 seconds then got a half CEL with these codes

2EE0
2EF4
2EF6
2F04
All Cylinder 6 Misfire codes

Swapped coils, Cleared Codes, 15 seconds after start up rough idle half CEL Cylinder 6 again.
I was due for plugs so I replaced all 6 and had a spare injector from a buddy and noticed Cylinder 6 plug and injector both had oil on the tips. New plugs and injector installed, coded new injector, car ran good for an entire day. Went to start up next morning and as soon as I heard the rough idle I just waited. Pulled codes same thing but more all still cylinder 6 only.
2EE0
2EF6
2EF4
2EF6
2EE2
2F04
(Shadow Codes)
2DD0- Valvetronic System: Warning threshold value, feedback control deviation exceeded.
2EF7- Misfire: Fuel injection deactivation.

Car has a G1000 motor from Ghassan Automotive and a PS2 with 10k miles on it everything EXCEPT for valve cover (inspected to see if there was any cracks in the valve cover), but it is a new gasket incase anyone suspects that to be the culprit. Not sure what else it could be need some help figuring it out.
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      04-13-2023, 01:52 PM   #2
PearlyN55
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Anyone help please?
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      04-13-2023, 02:41 PM   #3
Schmidty335i
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oil on the injector and the plug for cylinder 6? First place I would look is the valve cover gasket, is there oil on the top section of the plug above where it threads in? If it is on the bottom of the injector and spark plug i would do a compression test on cylinder 6. Hopefully its an easy fix. Sucks to sink a bunch of money into a car and have problems
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      04-14-2023, 10:10 PM   #4
PearlyN55
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Last log taken shortly before cylinder 6 misfire if anyone is a datazap wizard
https://datazap.me/u/pearlyn55/last-...og=0&data=4-20
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      04-15-2023, 08:59 AM   #5
PearlyN55
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Really would appreciate someone taking a look for me please!
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      04-15-2023, 01:49 PM   #6
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