The engine P220E Code is a solution of the engine problem and that is why, it is necessary to know the right meaning of the engine code. The engine code has several meanings and you need to know the right meaning of the code. Do not use false meaning or automobile dictionary meaning. The automobile engineer must use expertise for solving the car engine problem. Read the car engine manual to know all issues related with the car engines and know the process of fixing the car engine. However, if you are unable to do so, then you should hand over the car to professional.