VW Code 28638
28638 Description And Summary : |
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The instrument cluster alerts the driver to the fault fuel injection valve 3 (n368), short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor signal bank 2 sensor 1, biased / stuck rich . On the other hand intake flap motor 2 (v275), faulty will delay your vw fault. |
28638 Possible Causes:
28638 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 28638 Code
- Inspect all the connections fuel level sensor 2, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns