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汽车积碳怎么形成的
更新时间: 2020-10-22 00:00:00  

产生积碳主要是由于燃油在发动机内燃烧不充分,或汽油中无法完全燃烧的石蜡胶质物质,在喷油嘴、节气门、油路管路、火花塞等部件中残留,在高温作用下,转而形成积碳。汽车进气系统积碳形成的表现是怠速变高,怠速异常抖动,提速不畅,油耗增高,尾气超标等。一般认为发动机在工作中,由于可燃混合气燃烧不充分而产生的胶质残渣,形成了积炭,附着在汽缸盖和火化塞周围,影响了汽缸的正常工作,降低了发动机的性能。长此下去,会逐渐加剧积炭的形成。

关键词: 汽车 怎么 形成

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