The engine P2066 Code covers some information and it tells about the car engine problem of your car. Finding the right meaning of the code is compulsory to find the real meaning of the code. If you use wrong meaning of the code or use other meaning of this code, you will get wrong information of the car engine problem what may be more terrible for your car engine. That is why, allow an expert automobile engineer who understand about the car engine problem and fix the problem according to the right meaning car engine code. Do not try to solve the car engine by yourself if you are not the right person to do so.