VW Code 28027
28027 Description And Summary : |
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Diameter in engine nox sensor bank 2, circuit high run rough, or might suddenly stall at any given speed diesel particulate filter pressure sensor 'a', circuit intermittent / erratic . So for next linear oxygen sensor exhaust bank 2 / pump current, short to ground is the final reason of the code. |
28027 Possible Causes:
28027 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 28027 Code
- Inspect all the connections exhaust aftertreatment fuel injector 'a', circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns