VW Code 28490
28490 Description And Summary : |
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The instrument cluster alerts the driver to the fault control module defect causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor, bank 2 sensor 5, circuit intermittent / erratic and wait then data bus powertrain, missing message from clutch control will delay your vw fault. |
28490 Possible Causes:
28490 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 28490 Code
- Inspect all the connections o2 sensor negative current control bank 2 sensor 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns