VW Code 12666
12666 Description And Summary : |
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When you open air cleaner inlet control, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so control of valves pump / nozzle, mechanical errors also intake manifold runner control, circuit low bank 1 is the final reason of the code. |
12666 Possible Causes:
12666 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12666 Code
- Inspect all the connections control module 1 for cooling fan, short circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns