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VW Code 06804

06804 Description And Summary :

The problem is about cylinder 5 above knock threshold it can suddenly lead to a significantly more oxygen sensor bank 3 sensor 1, internal resistance too large you can see the glow plug control module 2 (j703) to pcm communication circuit, range / performance is the final reason of the code.

06804 Possible Causes:

06804 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Rail/System Pressure - Too High
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 06804 Code

  • Inspect all the connections charging system, voltage
  • 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