P050D

P050D

Diagnosis information - DME V6 DFI

Idle speed control after cold starting

NOTE: The fault >>Idle speed control<< is detected when the DFI cannot set the specified idle speed for a certain amount of time.

Diagnostic conditions
- Engine idling
- Catalytic converter heating phase

Possible fault causes

Fault type over limit value
- Secondary air behind throttle valve

Fault type below limit value
- Air cleaner blocked/frozen
- Air guide between air cleaner and throttle valve blocked
- Secondary unit sluggish
- Exhaust system blocked