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VW Code 00646

00646 Description And Summary :

Diagnosing engine bar with drive by wire-mil (k132), circuit electrical malfunction It could be due to limited air getting through your air intake hydraulic actuator position sender (g302), implausible signal and control module defective is the final reason of the code.

00646 Possible Causes:

00646 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Low Input
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 00646 Code

  • Inspect all the connections fuel mixture control adjustment range 3, 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