P0066 - Air Assisted Injector Control Circuit or Circuit Low
Some injectors can use a system where the fuel is atomised more effectively than in a conventional injector by the use of pressurised air within the injector.
Fault Code Explained
This fault indicates a signal or Voltage in the circuit that is below what is expected or is at zero
- Check supply Voltage at injector
- Check injector control signal
- Check injector resistance