P2243
P2243Diagnosis information - Control unit DME (DFI)
Oxygen sensor in front of catalytic converter Bank 1 : Open circuit Signal (RE+ / IPN)
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
- Driving > 10 Minute(s) , at:
- Engine at operating temperature
- min 1 Overrun phase(s) > 6 Second(s)
- then > 40 Second(s) Idle speed
Possible fault causes
- Open circuit Signal (RE+ / IPN - Contact 6 / Contact 2)
- Oxygen sensor in front of catalytic converter Bank 1 Faulty