O2 Sensor Heating Ahead of TWC, Bank 2 - Signal Implausible
P1119
5 Oxygen Sensor Heating Ahead of TWC, Bank 2 - Signal Implausible
Diagnosis conditions
- Mass air flow above 32 kg/h
- No other oxygen sensor faults
- Battery voltage between 9.5 V and 16 V
Possible fault cause
- Open circuit
- Oxygen sensor heating faulty
- DME control module
Affected terminals
- II/13
Diagnosis/Troubleshooting
NOTE: Do not use contact spray on the connectors to oxygen sensor.
Work Instruction 1 - 5:
NOTE: Do not exchange oxygen sensors ahead of catalytic converter and after catalytic converter.
Oxygen sensors ahead of and after catalytic converter