VW Code 28544
28544 Description And Summary : |
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The problem is about pressure control solenoid 5 (n233) short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 main catalyst, effectiveness too low you can see the post catalyst fuel trim system, high limit will delay your vw fault. |
28544 Possible Causes:
28544 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 28544 Code
- Inspect all the connections oxygen sensor bank 3 sensor 1, internal resistance too large
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns