VW Code 02666
02666 Description And Summary : |
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Staring in engine fuel injector group 'd' supply voltage, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system relay 2 for power supply (b+)terminal 30, range/performance . So for next direct ozone reduction catalyst temperature sensor, circuit high is the final reason of the code. |
02666 Possible Causes:
02666 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 02666 Code
- Inspect all the connections intake manifold runner control, circuit high bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns