Thread: O2 codes
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      06-07-2010, 04:33 PM   #1
enrita
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Drives: 335i - Big turbos
Join Date: Sep 2008
Location: Italian in Sweden

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O2 codes

I am constantly getting these codes, tried to do reset adaptation but they wont go away (also got a Engine Cell once) . If they are only O2 sims related i dont mind but i wonder if one of the front lambda could be misreading and messing with my afr ratio somehow.

2C7E:
2C7E Lambda probe behind catalytic converter, trimming control
Error will cause a warning light
Error is not currently present
Test conditions have been completed
Signal or value below threshold

Freeze Frame Information
Event 1Odometer 64856kms 40299miles
voltage Lambda probe behind catalytic converter bank 1 0.04 V
voltage Lambda probe in front of catalytic converter bank 1 1.74 V
Lambda shifting return valve 1 0.00 -
input signal return valve 1 0.00 V

Event 2Odometer 65136kms 40473miles
voltage Lambda probe behind catalytic converter bank 1 0.04 V
voltage Lambda probe in front of catalytic converter bank 1 1.82 V
Lambda shifting return valve 1 0.00 -
input signal return valve 1 0.00 V

Event 3Odometer 65248kms 40543miles
voltage Lambda probe behind catalytic converter bank 1 0.10 V
voltage Lambda probe in front of catalytic converter bank 1 1.93 V
Lambda shifting return valve 1 0.00 -
input signal return valve 1 0.00 V



2C6C:
2C6C Lambda probe behind catalytic converter 2, system check
Error will cause a warning light
Error is not currently present
Test conditions have been completed
Signal or value below threshold

Freeze Frame Information
Event 1Odometer 64864kms 40304miles
voltage Lambda probe in front of catalytic converter bank 2 1.50 V
resistor Lambda probe behind catalytic converter bank 2 512.00 ohm
Engine speed 1,504.00 rpm
voltage Lambda probe behind catalytic converter bank 2 0.63 V



2C6A:
2C6A Lambda probe behind catalytic converter, muddled
Error will cause a warning light
Error is not currently present
Test conditions have been completed

Freeze Frame Information
Event 1Odometer 65144kms 40478miles
Engine temperature 93.75 ∞C
time since start end 435.20 s
voltage Lambda probe behind catalytic converter bank 1 0.04 V
voltage Lambda probe behind catalytic converter bank 2 0.63 V

2C7E:
2C7E Lambda probe behind catalytic converter, trimming control
Error will cause a warning light
Error is not currently present
Test conditions have been completed
Signal or value below threshold

Freeze Frame Information
Event 1Odometer 64624kms 40155miles
voltage Lambda probe behind catalytic converter bank 1 0.02 V
voltage Lambda probe in front of catalytic converter bank 1 1.89 V
Lambda shifting return valve 1 0.00 -
input signal return valve 1 0.00 V

Event 2Odometer 64760kms 40239miles
voltage Lambda probe behind catalytic converter bank 1 0.00 V
voltage Lambda probe in front of catalytic converter bank 1 1.97 V
Lambda shifting return valve 1 0.00 -
input signal return valve 1 0.00 V



2C6A:
2C6A Lambda probe behind catalytic converter, muddled
Error will cause a warning light
Error is not currently present
Test conditions have been completed

Freeze Frame Information
Event 1Odometer 64632kms 40160miles
Engine temperature 102.75 ∞C
time since start end 1,561.60 s
voltage Lambda probe behind catalytic converter bank 1 0.02 V
voltage Lambda probe behind catalytic converter bank 2 0.33 V

Event 2Odometer 64760kms 40239miles
Engine temperature 101.25 ∞C
time since start end 768.00 s
voltage Lambda probe behind catalytic converter bank 1 0.04 V
voltage Lambda probe behind catalytic converter bank 2 0.61 V
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