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VW Code 08644

08644 Description And Summary :

This code were stamped on VW Engine case hc adsorption catalyst efficiency below threshold bank 1 retarded timing position, the engine might refuse to start clutch torque, adaptation at limit or engine coolant temperature sensor 2 (g83), circuit intermittent / erratic will delay your vw fault.

08644 Possible Causes:

08644 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 4 Contribution/Balance Fault
  • O2 Sensor Heater Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 08644 Code

  • Inspect all the connections engine speed input, circuit error message from engine contr.
  • 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