P0151

P0151

Diagnosis information - Control unit DME (DFI)

Oxygen sensor in front of catalytic converter Bank 2

NOTE:
Separated plug connection = open reference-air duct.
Damage to oxygen sensor.

- DO NOT use spray, grease, fluid or similar products on the oxygen sensor plug connections.

INFORMATION
- Do not interchange the oxygen sensor in front of the catalytic converter with the sensor behind the catalytic converter as this will result in implausible fault entries.
- The plugs themselves are coded and cannot be interchanged.

Diagnostic conditions
- Idle speed > 3 Second(s)

Possible fault causes
- Short circuit to B+/ground or open circuit in the line
- Oxygen sensor in front of catalytic converter Bank 2 Faulty