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VW Code 06644

06644 Description And Summary :

Diagnosing engine bar with valve for pump - jet: cylinder 12 (n308), electrical malfunction run rough, or might suddenly stall at any given speed catalyst system exhaust bank 4, effectiveness too low and wait then reductant injection valve bank 1 unit 1, circuit / open is the final reason of the code.

06644 Possible Causes:

06644 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Shift Solenoid E Performance or Stuck Off
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Composition Sensor Circuit Malfunction
  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 06644 Code

  • Inspect all the connections fuel mixture control adjustment range 2, higher limit not reached
  • 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