Lambda sensor
â–¶ How to fix
- Check oxygen sensor LSU lines - Check oxygen sensor LSU plug connection and EGC4 - Renew oxygen sensor LSU
What you'll see
No driver-visible symptom recorded.
System reaction
- Lambda regulation is locked - Vehicle has higher emissions - Engine runs disturbed - Vehicle might sutter on dynamic drive
Diagnostic depth
Detection
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Possible cause
- Short circuit of LSU-IA-, UN-, WM-line to batteryt