VW Code 28478
28478 Description And Summary : |
|---|
This code were stamped on VW Engine case o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3 it can suddenly lead to a significantly more load signal from alternator terminal df, open or short to b+ and wait then throttle angle signal stuck off will delay your vw fault. |
28478 Possible Causes:
28478 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28478 Code
- Inspect all the connections injector cylinder 16 (n393), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns