Thread: Major Codes!!!!
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      02-22-2017, 08:38 PM   #1
D's Bimmer
Major
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Drives: 2016 340 Xi
Join Date: Nov 2011
Location: Toronto

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Major Codes!!!!

Driving home from work this afternoon the car felt off. I have been getting this odd "feedback" from my MT at high rpm's. Kind of like a dull vibration.

Anyways, on the way home, my car went into limp mode, code city....

Intermittently, I have had the following two codes over the past few weeks:

2CF4 - Oxygen sensor before catalytic converter, dynamics:Slow Response

2D2F - Oxygen sensors before catalytic converter:Multiple fault

Both are O2 related codes.

I pulled an initial log this morning for an initial map for a custom tune that Ken is doing for me and this is what it looked like....

http://www.datazap.me/u/diggler70/lo...=0&data=4-5-15

Then this afternoon...

2EE0 - Combustion misfiring, several cylinders:Fuel injection deactivation

2EE2 - Combustion misfiring, several cylinders:damaging exhaust gas after start sequence

2EF4 - Combustion misfiring, cylinder 6:Fuel injection deactivation

2EF6 - Combustion misfiring, cylinder 6

2EFE - Misfire, several cylinders

2F04 - Misfire, cylinder 6

Reduced power, rough idle and chugging pulse from the engine. Could this be caused by a faulty O2 sensor? I had one of them replaced a couple of months ago. I think that there are two in my car if I understand correctly.

Thanks,
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2016 340Xi M-Sport Sedan | BMW M Performance Exhaust l APEX SM-10 Wheels

Last edited by D's Bimmer; 02-22-2017 at 10:01 PM..
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