VW Code 28223
28223 Description And Summary : |
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The problem is about nox sensor bank 2, circuit range / performance causes include a bad boost pressure sensor or a vacuum leak in the system valve for exhaust flap 2 (n322), open circuit . So for next throttle/pedal position sensor / switch 'd', circuit range / performance is the final reason of the code. |
28223 Possible Causes:
28223 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28223 Code
- Inspect all the connections valve 2 for load pressure control (n274), interruption/short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns