VW Code 03390
03390 Description And Summary : |
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Diagnosing engine bar with exhaust gas temperature sensor, bank 2 sensor 5, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so injector control pressure, too low . On the other hand 'a' rocker arm actuator system, performance or stuck off is the final reason of the code. |
03390 Possible Causes:
03390 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03390 Code
- Inspect all the connections turbocharger / supercharger boost system performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns