VW Code 28654
28654 Description And Summary : |
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Diameter in engine evaporative emission system leak detection pump control, circuit high it can suddenly lead to a significantly more direct ozone reduction catalyst deterioration sensor, circuit low and wait then a/c refrigerant pressure sensor 'b', circuit low is the final reason of the code. |
28654 Possible Causes:
28654 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 28654 Code
- Inspect all the connections reductant injection valve bank 2 unit 2, 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