If the car engine is not fully ok or it has major or minor problem, you should not drive the car. You should not also check the car engine if you are not prepared to check or solve the car engine. It means that you must need to have skill and all machineries for checking or solving the car engine. The car engine P2847 Code lets you know the problem if the meaning of the code is right and it is necessary to know the exact meaning. You should be careful when you pick the meaning of the code for solving the car engine.