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BMW 3-Series (E90 E92) Forum
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o2 Sensor Codes
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12-12-2018, 07:22 PM | #1 |
Captain
127
Rep 712
Posts |
o2 Sensor Codes
I get these randomly if I go WOT. Causes the car to run like crap until I stop and clear it out.
2C3D - DME: Oxygen sensor before catalytic converter: Line fault. 2C3E - DME: Oxygen sensor 2 before catalytic converter: Line fault. 2C7B - DME: Oxygen sensor after catalytic converter: Signal. 2C7C - DME: Oxygen sensor 2 after catalytic converter: Signal. 2CAA - DME: Oxygen sensor before catalytic converter: Temperature. 2CAB - DME: Oxygen sensor 2 before catalytic converter: Temperature. Anyone know what the issue could be? They are all new 6 month old o2 sensors. I thought about testing with INPA but I don't know what I would be looking for. |
12-12-2018, 10:32 PM | #2 |
Lieutenant
210
Rep 563
Posts |
There is a fuse that has to do with the 02 sensors i would check that make sure no wires are rubbed through since there is codes for every sensor it looks like
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