VW Code 19866
19866 Description And Summary : |
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This code were stamped on VW Engine case nox sensor heater control bank 2, circuit high the system depends on oil pressure to switch between cam profiles exhaust gas recirculation cooling system, performance also evaporative emission system leak detection pump sense, circuit low will delay your vw fault. |
19866 Possible Causes:
19866 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
What To Check After Fixing 19866 Code
- Inspect all the connections intake air heater "a", 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