Collect the actual meaning of the car engine P1438 Code. By the real meanings of the code, it becomes easier to fix the car engine properly. Because you will know the location of the car engine’s problem from the real meaning. You will get several meanings of the same engine code but all meanings are not acutely correct. You will accept the meaning of the code what is from your car manufacturer. If you do not know the process of solving the car engine and you do not have any tool, then you should not try to fix the car engine in your place.