VW Code 28400
28400 Description And Summary : |
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Diameter in engine valve for pump - jet: cylinder 9 (n305), electrical malfunction the system depends on oil pressure to switch between cam profiles intake manifold flap; bank 2, stuck closed . On the other hand power supply voltage, open circuit is the final reason of the code. |
28400 Possible Causes:
28400 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 28400 Code
- Inspect all the connections pressure control solenoid 1 (n215), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns