Audi1002.2E和CA7220AE轿车发动机常见故障诊断

Common Failure Diagnosis of Engine of Audi100 2.2E and CA7220AE Car

由于Audi1002.2E和CA7220AE轿车采用的是五缸发动机和机械控制燃油喷射系统(K系统),在使用中经常会出现一些不同于四缸车的特殊故障,给故障诊断带来较大困难。本文根据这两种桥车发动机供油系和点火系的结构特点和原理,结合实际使用情况。

Because Audi100 2.2E and CA7220AE cars have 5 cylinders and use fuel jet system(K system)control led by mechanism,the cars often have some failures that are different with the failures caused by cars with 4 cylinders, these situations cause difficulties in failure diagnosis.The paper offer some failure diagnosis principles in accordance with the car characters on engine fuel system and ignition system combined with use circumstance.