其轨式柴油发动机以其良好的燃油经济性、较良好的排放性、较高的动力性、运转的稳定性和控制的精确性等一系列优点,在客运车辆上获得越来越广泛的应用。然而,共轨柴油机在实际使用过程中也时常出现因燃油中含水量过高而发生喷油器工作不良甚至喷油器报废的现象,这不仅影响了企业的正常运营,而且还产生了高昂的维修费用。 Its rail diesel engine with its good fuel economy, better emissions, higher power, operating stability and control accuracy and a series of advantages in the passenger vehicles are more and more widely used . However, common-rail diesel engines also often appear in the actual use of the process because of excessive water content in the fuel injector bad work or even the phenomenon of fuel injector scrap, which not only affects the normal operation of enterprises, but also produced a high Repair fees.