VW Code 28748
28748 Description And Summary : |
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The problem is about oxygen (lambda) sensor b1 s2, signal shorted to heater circuit It could be due to limited air getting through your air intake exhaust gas temperature sensor 2 bank 2 (g449), range / performance or change exhaust gas temperature sensor 2 bank 2 (g449), electrical malfunction is the final reason of the code. |
28748 Possible Causes:
28748 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 28748 Code
- Inspect all the connections clutch temperature, control
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns