P2128
P2128Diagnosis information - DME (DFI)
Throttle potentiometer 2
NOTE: The dynamic response is reduced if this fault is present.
Diagnostic conditions
- Ignition on
- then idling
Possible fault causes
- Open circuit in wiring harness
- Short circuit to ground in wiring harness
- Short circuit to B+ in wiring harness
- Throttle valve adjusting unit faulty