P2273

P2273

Diagnostic information - DME (DFI)

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

Diagnostic conditions
- Perform all short tests in sequence (without Tank tightness),

or
- steady driving more than 20 Minute(s), at:
- approx. 80 km/h
- in the highest gear
- Lambda control (Behind catalytic converter) Active

Possible fault causes
- Leak in exhaust system between the two oxygen sensors on bank 2
- Short circuit to B+/ground/between lines or open circuit in the lines
- Oxygen sensor behind catalytic converter, bank 2, faulty