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VW Code 06678

06678 Description And Summary :

The problem is about oxygen (lambda) sensor b2 s1, pump current, open circuit retarded timing position, the engine might refuse to start actuator supply voltage 'c', circuit low or change throttle/pedal position sensor / switch 'd', circuit intermittent will delay your vw fault.

06678 Possible Causes:

06678 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cold Start Injector 1 Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Rail/System Pressure - Too High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 06678 Code

  • Inspect all the connections valve for pump - jet, cylinder 1 (n240), electrical malfunction
  • 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