Gas engine: Lambda sensor, faulty. Check Lambda Sensor T137
â–¶ How to fix
Perform general trouble shooting on lambda sensor Replace lambda sensor When component is repaired restart engine and run engine with at least 1000rpm engine speed to remove DTC.
What you'll see
No driver-visible symptom recorded.
System reaction
The lambda value will be replaced with max respectively min lambda value or possibly with lambda=1. Torque may be reduced to protect engine
Diagnostic depth
Detection
Detected when engine is running in fuel cut-off mode
Possible cause
Lambda sensor aging or electrical fault