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VW Code 08666

08666 Description And Summary :

This code were stamped on VW Engine case b camshaft position actuator control bank 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system powertrain databus, implausible engine temperature message from inst. you can see the throttle plate control 2, malfunction is the final reason of the code.

08666 Possible Causes:

08666 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 08666 Code

  • Inspect all the connections fuel cap sensor / switch, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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