VW Code 28854
28854 Description And Summary : |
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This code were stamped on VW Engine case reductant injection air pressure sensor 'a', circuit low causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'i' primary control, circuit low . On the other hand ignition coil cylinder 13, low circuit is the final reason of the code. |
28854 Possible Causes:
28854 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 28854 Code
- Inspect all the connections secondary air injection system switching valve bank 1, stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns