VW Code 04894
04894 Description And Summary : |
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Accumulated in electronic control units so o2 sensor reference voltage bank 2 sensor 1, circuit low run rough, or might suddenly stall at any given speed charge pressure fan relay (j712), short to b+ you can see the nox sensor bank 1, circuit is the final reason of the code. |
04894 Possible Causes:
04894 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 04894 Code
- Inspect all the connections fuel pump "b" control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns