P1543

P1543

Diagnosis information - DME V8 DFI

Throttle valve adjusting unit

Diagnostic conditions
- Adaptation performed
- Vehicle is stationary
- No gear selected, selector lever in N or P
- Intake air temperature > 5 °C (41 °F)
- Engine idling,
- then short rev-up,
- then engine speed > 2,200 rpm

Possible fault causes
- Throttle valve adjusting unit faulty