Gas engine: heating of diagnosis lambda sensor, high
â–¶ How to fix
Check wiring, connectors and sensor Replace sensor
What you'll see
No driver-visible symptom recorded.
System reaction
It is impossible to heat up the sensor. The sensor value will be replaced with default value (lambda=1) and torque will be limited
Diagnostic depth
Detection
Fault is detected only when engine is running
Possible cause
Short circuit to battery