The car engine P0222 Code is known as diagnosis code what tells about the car engine problem. It means that the meaning of the code helps the car engineer to know more about the car engine problem. So, the engineer needs to follow the right meaning of the engine code. According to the car brand name, the car engine problem should be solved. Do not use wrong meaning of the code what you find online. Do not use other meanings of the engine code from different car manufacturers. You should find the meaning of the code according to your car brand or manufacturer.