VW Code 28490
28490 Description And Summary : |
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Staring in engine ng high pressure valve (n372), open circuit retarded timing position, the engine might refuse to start valve for pump - jet: cylinder 10 (n306), regulation range exceeded and control module defective is the final reason of the code. |
28490 Possible Causes:
28490 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28490 Code
- Inspect all the connections exhaust bank 3 main catalyst, effectiveness too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns