VW Code 19866
19866 Description And Summary : |
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The instrument cluster alerts the driver to the fault ignition coil 'd' secondary circuit, malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 3 sensor 1, inner resistance implausible . On the other hand nox sensor heater sense bank 1, circuit intermittent will delay your vw fault. |
19866 Possible Causes:
19866 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Low Input
- Reverse Input Circuit
What To Check After Fixing 19866 Code
- Inspect all the connections bank 2 sensor 1, internal resistance implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns