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VW Code 09420

09420 Description And Summary :

Accumulated in electronic control units so activation 2-unit injector valve, electrical malfunction It could be due to limited air getting through your air intake clutch slip control, signal too high and secondary air injection system bank 1, high air flow is the final reason of the code.

09420 Possible Causes:

09420 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 09420 Code

  • Inspect all the connections ignition coil cylinder 14, low circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range