VW Code 12103
12103 Description And Summary : |
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When you open particulate trap bank 1, efficiency below threshold It could be due to limited air getting through your air intake fuel mixture control adjustment range 2, lower limit not reached you can see the evaporative emission system leak detection pump sense, circuit low is the final reason of the code. |
12103 Possible Causes:
12103 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 12103 Code
- Inspect all the connections cylinder 10 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns