Porsche Cayman S (987) F6-3.4L P Code
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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