Abstract: A fuel injection pump for supplying the combustion chambers of internal combustion engines intended for vehicle operation having, in addition to a fuel quantity regulating device operative in accordance with operating parameters of the engine, an adjusting device in which in accordance with an anti-buckling signal obtained from fast relative movements on the vehicle the fuel supply quantity of the fuel injection pump is varied in phase opposition to the acceleration event triggering the bucking. This adjustment is accomplished in accordance with the invention by intervention with a setting device of the fuel injection pump, by means of which device the basic setting of the fuel supply quantity is adjusted independently of the supply quantity varied by the fuel quantity regulating device.