The information of the car engine problem is important and from the meaning of the engine code, some information is found. The engine P0440 Code has a meaning and you will find different meanings of the car engine code. Do not use only automobile dictionary meaning for solving the car engine. Due to the wrong meaning, more problems in the car may trigger. When the meaning of the code is searching, you must use correct meaning and the meaning of the code is linked with the car’s manufacturer. Do not drive the car with the car engine problem. Finally, a test drive is suggested.