VW Code 28911
28911 Description And Summary : |
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Accumulated in electronic control units so secondary air injection system pump bank 2, stuck off It could be due to limited air getting through your air intake turbocharger boost control position sensor 'b', circuit intermittent / erratic or control module defective is the final reason of the code. |
28911 Possible Causes:
28911 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 28911 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 3, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns