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VW Code 01066

01066 Description And Summary :

Accumulated in electronic control units so throttle actuator control system, sudden low air flow detected causes include a bad boost pressure sensor or a vacuum leak in the system fuel mixture control adjustment range 1, lower limit not reached . So for next intake manifold runner control (imrc), signal outside tolerance is the final reason of the code.

01066 Possible Causes:

01066 vw fault code may be caused by one or more of the following:

  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Turbocharger Boost Sensor A Circuit Low
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 01066 Code

  • Inspect all the connections event data recorder request, circuit high
  • 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