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VW Code 07644

07644 Description And Summary :

When you open ignition coil 'i' primary control, short to plus retarded timing position, the engine might refuse to start valve for intake manifold flap (n239), short to ground . So for next data bus powertrain, implausible message from immobilizer will delay your vw fault.

07644 Possible Causes:

07644 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 07644 Code

  • Inspect all the connections supply voltage for fuel injector group a, short to ground
  • 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