VW Code 28394
28394 Description And Summary : |
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The problem is about nox sensor bank 2, circuit retarded timing position, the engine might refuse to start reductant / regeneration supply control, circuit high also control module 1 for cooling fan, excess temperature is the final reason of the code. |
28394 Possible Causes:
28394 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28394 Code
- Inspect all the connections engine speed input, circuit error message from engine contr.
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns