Due to the car engine problem, the car engine C1848 Code has appeared on the screen of the engine cod reader. Without knowing the correct meaning of the engine code it becomes difficult to solve the car engine fast. The problem of the car engine can be chassis problem of the car engine. The multi-displacement method shut off reverse pairs of cylinders, letting the engine to have 3 diverse configurations and displacements. The engine C1848 code had an intricate diagnostics process, counting showing engine problem codes on the air conditioning display. However, the process was troublesome, misread by customers, and a rash of unreliable failures led to the technology being rapidly retired.