1 维修工艺1.1 基本原则对电控汽油喷射发动机来讲,要诊断和排除一个可能涉及电子控制系统的发动机故障,首先要按照发动机没有电控装置那样,查看是否存在机械方面的故障。特别是当发动机出现故障而自诊系统的故障指示灯未亮时,更应像 1 Repair Process 1.1 Basic Principles For electrically controlled gasoline injection engines, to diagnose and eliminate an engine failure that may involve an electronic control system, first check whether there is a mechanical failure as if the engine did not have an electronic control unit. Especially when the engine fails and the self-diagnosis system fault indicator is not lit, it should be more like