P2273 Diagnosis Information - DME (DFI)

P2273

Diagnosis Information - DME (DFI)

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

Diagnostic conditions
- 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