VW Code 05866
05866 Description And Summary : |
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The instrument cluster alerts the driver to the fault control of valves pump / nozzle, short-circuit after pluses run rough, or might suddenly stall at any given speed ignition coil cylinder 14, low circuit or radiator fan (v7), difficulty of movement / blocked is the final reason of the code. |
05866 Possible Causes:
05866 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
What To Check After Fixing 05866 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns