Every parts of the car engine code gives you some information of the car engine problem and you should find the meaning of the code. The engine P1723 Code is found in many car engines but meanings of the code are different for the brand of the car. The car engine should be fixed properly by the real meaning of the car engine code. Do not fix the car engine by any immature automobile engineer and you should not try to solve the or test the car engine if you have no much idea about the car engine. You may create several problems in the car engine.