When any problem is detected in the car engine, it is important to fix the problem and check the car engine issue. The car engine P2188 Code is found in the car engine what comes during the car engine was tested. It tells about the car engine problematic area. You need to get the meaning of the code and meaning of the code is found from the right source like automobile manufacturer. You will get the meaning of the code from other sources but all sources are not correct at all. Fix the car engine with an automobile expert who can fix the car engine well.