P050A

P050A

Diagnosis information - Control unit DME (DFI)

Idle speed control to Cold start at stop upper 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
- Intake pipe leaks
- Positive crankcase ventilation leaks
- Throttle adjusting unit Faulty

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