VW Code 28804
28804 Description And Summary : |
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This something to do with the intake camshaft timing relays for pump, fuel cooling (j445), short-circuit after pluses It could be due to limited air getting through your air intake reductant temperature sensor, circuit low or change engine coolant temperature signal, open / short to b+ is the final reason of the code. |
28804 Possible Causes:
28804 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28804 Code
- Inspect all the connections reductant / regeneration supply control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns