You should get help from an automobile engineer to check and fix the car engine. If the car engineer check the car engine by engine code reader, then he will get the car engine code what conveys meaning. The right meaning of the code is important here to know the problem and location of the problem. The engine P2557 Code is found from the car engine of yours. The right meaning of the car engine is more important thing what is used for solving the car engine. Do not allow any wrong meaning of the code. You may get new problem in the car engine due to use of wrong meaning of the code.