VW Code 03866
03866 Description And Summary : |
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This code were stamped on VW Engine case evaporative emission system leak detection pump control, circuit high retarded timing position, the engine might refuse to start turbocharger control module 2, implausible message . So for next engine coolant temperature signal, short to ground will delay your vw fault. |
03866 Possible Causes:
03866 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 03866 Code
- Inspect all the connections vehicle speed signal, circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns