You need to check the car engine and know the problem of the car engine. It is easy to check the car engine problem if you take the car to automobile repair center where you will get all necessary things and help from an automobile engineer. The car technician will find the engine code what tells about the car engine problem. The car engine P3479 Code is an important thing and meaning of the code is helpful for understanding the problem. If you do not get the right meaning of the code, it does not help you much for fixing the car engine.