This engine P2143 Code is found in your car when the car engine was tested and reader of the car engine code shows the code when the car engine’s testing area is failed. Meaning of the code is important and many automobile engineers depend on the meaning. However, the meaning of the code should be taken from the car manufacturer of your car. You will get different meanings of this same car engine code but do not use all meanings of the code what has no relation with your car. You must not use automobile dictionary meaning of the code at primary basis.