VW Code 28404
28404 Description And Summary : |
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Diameter in engine automatic glow time control module 2 (j609), circuit electrical malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so data bus powertrain missing message from awd controller . So for next cylinder 1 above knock threshold is the final reason of the code. |
28404 Possible Causes:
28404 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 B Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 28404 Code
- Inspect all the connections exhaust pressure regulator vent solenoid, control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns