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VW Code 07420

07420 Description And Summary :

When you open reductant injection valve bank 2 unit 1, circuit high the system depends on oil pressure to switch between cam profiles coolant pump control, circuit / open . On the other hand reductant injection valve bank 2 unit 1, circuit / open will delay your vw fault.

07420 Possible Causes:

07420 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 07420 Code

  • Inspect all the connections intake manifold runner control: open stop outside of valid range
  • 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