The automobile dictionary meaning of the car engine P1552 Code is not important thing compared with the real meaning of the code. The real meaning of the engine code is very helpful for solving the car engine but when you have no this right meaning, then you can use the automobile dictionary meaning. The real meaning of the car engine code is found in manual of the car engine manual and the real meaning is provided by the car manufacturer. Fix the car engine with the real meaning of the code. You can use automobile dictionary meaning for solving the car engine but you should take help from the experience automobile engineer.