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Removed my K&N sport filter and cleaned the MAF sensor again. Didn't fix anything. All of the errors from the previous 2 months were: 2C2B, 2C2C, 2C31, 2C6B, 2CB6 All are oxygen sensor related.
2C2B - Oxygen sensor before cat (bank 1) - system check (mixture stuck at ritch)
2C2C - Oxygen sensor before cat (bank 2) - system check (mixture stuck at ritch)
2C31 - Oxygen sensor emission control
2C6B - Oxygen sensor after cat(bank 1): system check
2CB6 - Oxygen sensor after cat(bank 1): signal fixed at lean
I have 2 possibilities for now -
1. All of the oxygen sensors have failed at the same time (highly undoubtedly I think), even that I have replaced on of the sensors soon.
2. Maybe my cat has failed ?
Anyone has any ideas ?
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