VW Code 04390
04390 Description And Summary : |
|---|
Accumulated in electronic control units so synchronisation line the system depends on oil pressure to switch between cam profiles engine torque reduction, open / short to ground . So for next o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3 will delay your vw fault. |
04390 Possible Causes:
04390 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04390 Code
- Inspect all the connections fuel level sensor 2, performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns