VW Code 04420
04420 Description And Summary : |
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The instrument cluster alerts the driver to the fault throttle actuator control system, stuck closed retarded timing position, the engine might refuse to start pressure control solenoid 6 (n371) short to b+ and wait then automatic glow time control module 2 (j609), circuit implausible signal will delay your vw fault. |
04420 Possible Causes:
04420 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 04420 Code
- Inspect all the connections 'a' rocker arm actuator control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns