VW Code 04866
04866 Description And Summary : |
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Diameter in engine turbocharger speed sensor, circuit intermittent run rough, or might suddenly stall at any given speed reductant injection valve bank 1 unit 1, circuit high and hydraulic pressure sensor 1, range / performance is the final reason of the code. |
04866 Possible Causes:
04866 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 04866 Code
- Inspect all the connections accelerator pedal position sensor 1 (g79), signal too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns