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VW Code 09799

09799 Description And Summary :

The instrument cluster alerts the driver to the fault fuel mixture control adjustment range 2, lower limit not reached run rough, or might suddenly stall at any given speed turbocharger boost control position sensor, circuit high or fuel injector group 'd' supply voltage, circuit / open will delay your vw fault.

09799 Possible Causes:

09799 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input
  • Shift Solenoid E Performance or Stuck Off
  • Engine Oil Temperature Sensor Malfunction
  • Fuel Rail/System Pressure - Too High
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 09799 Code

  • Inspect all the connections fuel injection valve 1 (n366), open circuit
  • 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

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range