The engine P250A Code helps for solving the car engine problem and an automobile engineer knows the process of solving the car engine. However, real meaning of the code helps to solve the car engine problem. The main multi movement method turned off the opposite pairs of cylinders, letting the engine to have 3 dissimilar configurations and displacements. The engine P250a code had an sumptuous diagnostics process, including showing engine trouble codes on the air conditioning display. However, the system was troublesome, misinterpreted by customers, and a rash of random failures led to the technology being rapidly retired. A test drive is recommended.