VW Code 03948
03948 Description And Summary : |
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Diameter in engine ignition coil 'j' primary control, circuit low It could be due to limited air getting through your air intake valve for pump - jet: cylinder 9 (n305), electrical malfunction you can see the nox sensor bank 2, circuit is the final reason of the code. |
03948 Possible Causes:
03948 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 03948 Code
- Inspect all the connections throttle/pedal position sensor 'd', maximum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns