The P20CE Code has automobile dictionary meaning and that is not used for solving the car engine. If you do not know the real or automobile manufacturer meaning related with your car, you cannot solve the car engine. You should give the car to the automobile expert if you do not know how to solve the car engine. For solving the car code problem, you need to read the manual of the car engine as well as getting the real meaning of the code is very necessary. The general meaning of the of the code is not used for solving the problem.