You must check the car engine when you get any sound or getting any error from the car engine. The car engine P2544 Code contains information what are used for checking and solving the car engine. The automobile dictionary meaning of the code lets you know general information related with the car engine problem. The right meaning is more important than the general meaning of the code. The car engine should not be remained unfixed. Although, the problem of the car engine is not seriously faulty, you must not drive the car with the car engine problem. You must take step for solving the car engine.