A soon as possible fine the real meaning of the car engine P1683 Code before starting the process of solving the car engine problem. The car engine code is found by the test of the car engine. You cannot find the engine code of the car engine without using expensive engine testing machine tool. So, you have to depend on an automobile engineer. You should take the car to an automobile repair center where you will get all necessary things for solving the car engine problem. The automobile engineer will look for the real meaning of the car engine code for solving the car engine.