Method and system for controlling controlled ignition internal combustion engine during accelerator release phase

A method for controlling a controlled ignition internal combustion engine of a motor vehicle provided with a system for processing contaminant components in an exhaust line and provided with a computer configured to execute the steps of the method, the method comprises the steps of, upon determining that the driver has released the accelerator pedal of the vehicle after the acceleration phase, entering unburned gas into the combustion chamber after main combustion in each combustion cycle as long as the accelerator pedal remains released, and injecting at least an amount of fuel after combustion for a predetermined time of the combustion cycle, and new combustion is not triggered. 一种用于控制机动车辆的受控点火内燃发动机的方法，该机动车辆设置有用于处理排气管线中的污染物组分的系统、并且设置有被配置成执行该方法的步骤的计算机，该方法包括以下步骤：当确定驾驶员在加速阶段后已松开车辆加速器踏板时，在每次燃烧循环中，只要加速器踏板保持被松开，就在主燃烧之后使未燃烧气体进入燃烧室，并且在燃烧之后，在燃烧循环的预定时间，喷射至少一定量的燃料，而不触发新的燃烧。