当前美、日、德、英等国在2.0升排量以上的轿车发动机上,几乎100%地采用电子控制汽油喷射式发动机。在维修上,特别是故障诊断方面与传统化油器式发动机有很大的不同,本文以具体车型为例,阐述发动机故障诊断方法,供参考。1 电控汽油喷射式发动机燃油喷射系统的组成现代汽车上采用的电子控制汽油喷射系统的型式繁多,但根据喷油位置的不同可分为 At present, the United States, Japan, Germany, Britain and other countries in the 2.0 liters displacement above the car engine, almost 100% using electronically controlled gasoline injection engine. In the maintenance, especially fault diagnosis with the traditional carburetor engine is very different, this article takes a specific model, for example, describes the engine fault diagnosis method for reference. 1 electronically controlled gasoline injection engine fuel injection system composition Hyundai Motor used in the electronic control of gasoline injection system of many types, but according to the different injection position can be divided into