P2272

P2272

Diagnosis information - DME (DFI)

Oxygen sensor behind catalytic converter, bank 2 - signal too lean / rich

Diagnostic conditions
- Perform short test [Oxygen sensor active test]

or (if no short test is possible):
- Relatively long drive in various operating states
- Diagnoses [Electrical fault of oxygen sensor behind catalytic converter] or [Lambda correction behind catalytic converter] must have taken place

Possible fault causes
- Leak in exhaust system between the two oxygen sensors on bank 2
- Oxygen sensor behind catalytic converter, bank 2, faulty