The powertrain of the car engine may be faulty here. If the car engine is tested properly, it is possible to know the problem, problem location and reason of the car engine problem. The car engine code will tell about the car engine problem if meaning of the code is found. The car engine code can be found if the car engine is tested by an engine code reader. The car engine P2726 Code helps to know the problem and if you do not know how to know the meaning of the code or solve the car engine, you must hand over the car to an automobile technician.