A method is provided for operating a combustion engine of a motor vehicle during a deceleration of the combustion engine. The method includes, but is not limited to determining a degree of depression of an accelerator pedal of the motor vehicle takes place, determining of a degree of depression of a brake pedal of the motor vehicle takes place. Furthermore, an adjusting of a throttle valve arranged in an intake tract of the combustion engine as a function of the determined degree of depression of the accelerator pedal and as a function of the determined degree of depression of the brake pedal takes place. The throttle valve is adjusted into an at least partially opened position in the event that the determined degree of depression of the brake pedal undershoots a first predetermined threshold value and the throttle valve is adjusted into a closed position in the event that the determined degree of depression of the brake pedal exceeds a second predetermined threshold value.