P050D

P050D

Diagnosis information - Control unit DME (DFI)

Idle speed control to Cold start at stop lower limit value

Diagnostic conditions
- Engine temperature -10 °C (°F)
- Cold start (Catalytic converter heating measure)
- Idle speed > 20 Second(s)
- Vehicle is stationary
- Engine without Load (Air-conditioning system switched off , Steering straight ahead)
- Ambient pressure > 730 hPa (= Location below approx. 2,400 ... 2700 mm)
-->See Actual value [A060 Ambient pressure from DME (measured)]
- None of the following functions active: Tank vent , Secondary air injection
- none of the following faults stored : Vehicle speed , Throttle potentiometer , Engine temperature , Intake air temperature , Tank vent , fuel tank ventilation system

Possible fault causes
- Fuel quality insufficient
- Air cleaner Blocked / iced up
- Air guide forward Throttle valve Blocked
- Auxiliary units stiff
- Exhaust system Blocked

Fault setting condition(s)
- Deviation Idle speed > 20 Second(s), at:
- Cold start