VW Code 104
104 Description And Summary : |
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Diameter in engine reductant injection valve bank 2 unit 2, circuit low mechanic will need to check all electrical connections in the camshaft sensor reductant injection air pressure sensor 'a', circuit high or signal 'door up' not recognized will delay your vw fault. |
104 Possible Causes:
104 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 104 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, 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