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VW Code 04779

04779 Description And Summary :

Accumulated in electronic control units so exhaust bank 4 sensor 1 heater circuit, voltage too low causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emissions (evap) fuel vapour temperature sensor, circuit high voltage also oxygen sensor bank 3 sensor 1, internal resistance too large will delay your vw fault.

04779 Possible Causes:

04779 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 4 Contribution/Balance Fault
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 04779 Code

  • Inspect all the connections exhaust bank 4, sensor 2, tension too largely
  • 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