The invention relates to a method for injecting fuel into at least one of the cylinders of a combustion engine (12), especially a diesel engine, comprising the injection of a main quantity of fuel (Q1) in dependence on the operating point of the engine (12). The method is characterised in that said main quantity is increased (Q1 + Q2') during a phase in which an exhaust gas treatment system (G) such a particle filter (16) is regenerated.
