The engine may start making sound from various causes. If the car engine is not tested properly, it is not possible to know detail about the problem and take steps for solving the car engine. The car engine P2187 Code is meaningful and by the right meaning of the code, you will learn about the car engine problem and take steps for solving the car engine. Every part of the car engine code is meaningful and according to that meaning, it becomes to know the problem. The meaning of the code should be taken from the right source what is from car manufacturer.