VW Code 10748
10748 Description And Summary : |
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Diagnosing engine bar with secondary air injection system switching valve bank 2, stuck closed it can suddenly lead to a significantly more system too lean at higher load, bank 1 or change injector control pressure, too high is the final reason of the code. |
10748 Possible Causes:
10748 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 10748 Code
- Inspect all the connections event data recorder request, 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