汽车自动熄火的故障诊断及维修（Fault diagnosis and maintenance of auto flameout）.docVIP

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汽车自动熄火的故障诊断及维修（Fault diagnosis and maintenance of auto flameout）.doc

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汽车自动熄火的故障诊断及维修（Fault diagnosis and maintenance of auto flameout）

汽车自动熄火的故障诊断及维修（Fault diagnosis and maintenance of auto flameout） Abstract: most of the modern car engines are electronically controlled fuel injection gasoline engines, and there are many reasons for automatic flameout. First of all, we should analyze the symptoms of automatic flameout. Automobile engine after long-term use or man-made reasons lead to automatic engine flameout, what is the cause of automatic flameout of the engine? Then we take the problem to research the problem, from that we know why the engine flameout, so that we can avoid automatic flameout after engine gives us trouble, preventive measures. Key words: engine automatic flameout diagnosis analysis inspection maintenance flameout failure reason Introduction Today, with the rapid development of automotive technology, computer control technology has been applied to various systems of the automobile, and the emergence of new structures and new technologies has made the automobile maintenance personnel face greater challenges. Characteristics of modern automobile maintenance technology for seven diagnosis, three repair, engine common faults, fault reason, diagnosis methods and ideas, diagnosis and recovery has changed a lot, so I learn through a long time in the school, and a lot of maintenance data and wrote the paper. I. overview of the engine 1.1 engine profiles The engine block is the framework of the engine. It is the mounting foundation of the engine and the system. All the main parts and accessories of the engine are installed inside and outside, which can bear all kinds of loads. Therefore, the airframe must have sufficient strength and stiffness. The block is mainly composed of cylinder block, crankcase, cylinder head and cylinder gasket. The working principle of the engine (1.2 pictures) An engine is an energy conversion mechanism that converts heat generated by fuel combustion into mechanical energy. To complete the conversion must pass through the inlet, the combustible mixed gas (or fres