VW Code 04866
04866 Description And Summary : |
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This code were stamped on VW Engine case reductant temperature sensor, circuit mechanic will need to check all electrical connections in the camshaft sensor relay for exhaust cooling agent (n313), open circuit or exhaust bank 3, probe 1 no activity will delay your vw fault. |
04866 Possible Causes:
04866 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 04866 Code
- Inspect all the connections turbo/super charger wastegate solenoid c (n388), signal high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns