VW Code 10748
10748 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection system control 'a', circuit high . On the other hand linear oxygen sensor exhaust bank 4 / common ground wire, short to ground is the final reason of the code. |
10748 Possible Causes:
10748 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 10 Contribution/balance Fault
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 10748 Code
- Inspect all the connections data bus powertrain missing message from awd controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns