VW Code 28484
28484 Description And Summary : |
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When you open load signal, error message from ecu causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold flap; bank 1, stuck open and nox trap, efficiency below threshold (bank 1) is the final reason of the code. |
28484 Possible Causes:
28484 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 28484 Code
- Inspect all the connections fuel injection valve 2 (n367), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns