发动机故障检测与分析 摘要：汽车要在道路上行驶必须先有动力，而动力的来源就是发动机。发动机性能的好坏是决定汽车行驶性能的最大因素。目前汽车使用的发动机均属于内燃机，发动机的功能就是将燃料的化学能转成热能再转成机械能，而机械能也就是一般所谓的动力。发动机在将燃料转成动力的过程中会经过一定的工作程序，而且此程序是周而复始连续不断的循环。
关键词： 工作原理 日常保养 故障检测
目 录
1.毕业设计任务书-----------------------------------------------------------------------I
2.毕业设计论文--------------------------------------------------------------------------1第一章 发动机的基本组成········································································1
第一节 曲柄连杆机构·········································································1
第二节 配气机构················································································1
第三节 燃料供给系统·········································································2
第四节 润滑系统················································································2
第五节 冷却系统················································································3
第六节 点火系统················································································3
第七节 起动系统················································································3
第二章 发动机工作原理············································································5
第三章 发动机的使用与保养中应注意点···················································7
第四章 故障检测与分析············································································9
第一节 怠速不稳················································································9
第二节 发动机异响···········································································11
第三节 难启动，无法启动··································································14
第四节 突然熄火原因·······································································15
第五节 造成发动机水温高有以下几种原因·······································16
第六节 发动机机油消耗量过高·························································17
第七节 加速无力··············································································19
第八节 喷油嘴的问题·······································································20
总结·········································································································21
参考文献··································································································22
3.外文翻译·······························································································Ⅲ
参考文献
1 张建俊﹒汽车诊断与检测技术﹒北京：人民交通出版社，1995
2 张建俊﹒汽车检测与故障诊断技术﹒北京：机械工业出版社，1999
3 张建俊﹒汽车检测设备应用技术﹒北京：机械工业出版社，2002
4 虞和济﹒故障诊断的基本原理﹒北京：冶金工业出版社，1989
5 陈家瑞﹒汽车构造﹒北京：机械工业出版社，2001
6 关文达﹒汽车构造﹒北京：机械工业出版社，1999
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