电喷发动机连杆断裂原因分析

Analysis on the Breaking Reason of Connecting Rod of EFI Engines

从电喷发动机与化油器式发动机进气系统的结构特点出发，分析了这两类发动机的工作过程。介绍了一辆ＡＬ富康轿车ＴＵ５ＪＰ／Ｋ型发动机因涉水行驶造成该发动机连杆断裂的事故。

The operation process of the carburetor engine and EFI engine are analyzed according to the structure features of the intake system of both engines. The paper gives an accident example of connecting rod breaking of TU5JP/K engine in a Dongfeng Citroen car when driving through water road.