The engine P257F Code is a notification what comes on the car engine code reader when the car engine is tested. The code tells about the powertrain problem and this problem is easy to solve without changing the car engine parts. The automobile engine code has various meaning and you need to know the correct meaning of the code if you wish to solve the car engine problem by yourself. Otherwise, you may find the automobile dictionary meaning of the engine code. The automobile dictionary meaning of the code is found online for free and you can study this code meaning for learning purpose only.