Combustion engine having a cylinder comprising a combustion chamber and an ante-chamber

In a motor vehicle, an engine with a plurality of cylinders each comprising a combustion chamber having an inlet valve for the feeding of a fuel mixture thereto and an ante-chamber communicating with the combustion chamber and having an injection nozzle associated therewith for feeding a fuel mixture into it and a spark-plug having electrodes terminating in it, the engine when operating having a characteristic line associated therewith defining a partial brake load region and another characteristic line defining a full brake load region, a mixture dosing arrangement for providing operation of the engine within the region defined by the partial brake load characteristic under filling regulation, the mixture dosing arrangement comprising means actuating the injection nozzle only upon reaching the partial load characteristic line and at high brake loads and thereby operating the engine by controlling the fuel mixture therein.