VW Code 03490
03490 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 3, probe 1 heating circuit interruption the system depends on oil pressure to switch between cam profiles fuel tank pressure (ftp) sensor (g400), short to b+ or post catalyst fuel trim system, high limit is the final reason of the code. |
03490 Possible Causes:
03490 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03490 Code
- Inspect all the connections post catalyst fuel trim system, low limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns