The error P0188 Code is found on the screen of the engine code reader when the car engine is tested. Do not follow any meaning of the code for solving the car engine. The engine code has various meaning and you must look for the right meaning what is important thing. The car engine is the main thing for the car and if the problem from the car engine is not solved, do not drive the car. Because it may bring more problem in your life. In the car engine manual, you may get correct instruction for solving the car engine problem according to the code meaning.