VW Code 03908
03908 Description And Summary : |
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The problem is about turbo/super charger wastegate solenoid d (n389), signal low to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic . So for next control circuit for controller for turbocharger 2 (j725): electrical malfunction will delay your vw fault. |
03908 Possible Causes:
03908 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 03908 Code
- Inspect all the connections secondary air injection system pump bank 2, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns