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VW Code 06666

06666 Description And Summary :

This something to do with the intake camshaft timing secondary air injection valve 3 (n384), circuit short to b+ the system depends on oil pressure to switch between cam profiles injector cylinder 13 (n390), circuit low or change throttle/pedal position sensor 'f', maximum stop performance is the final reason of the code.

06666 Possible Causes:

06666 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cold Start Injector 1 Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 06666 Code

  • Inspect all the connections exhaust pressure regulator vent solenoid, control 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