P0130
P0130Oxygen sensor in front of catalytic converter, bank 1 - signal implausible
Diagnostic conditions - V8
- No fault P1145 stored
- Battery positive voltage between 10 V and 16 V
- Time after engine starts > 10 minutes
- Oxygen sensing active
- Constant driving for at least one minute on a level road surface, without load shifts or gear changes
- Speed range between 70 km/h and 120 km/h (43.5 mph and 74.5 mph)
Diagnostic conditions - V6
- Time after engine starts > 80 seconds
- Oxygen sensing active (Lambda value > 0.95)
- Engine load < 17.3 %
- No other oxygen sensor faults stored
Possible cause of fault
- Leaking bolts on oxygen sensor
- Leaks in exhaust system, between engine and catalytic converter
- Oxygen sensor in front of catalytic converter faulty (shift in characteristics/ pollution)
Affected pins
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Diagnosis/troubleshooting
Distinguishing feature of both sensors:
Oxygen sensor in front of catalytic converter (LSU) has a six-pin plug
Oxygen sensor behind catalytic converter (LSF) has a four-pin plug
