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1、大眾汽車怠速不穩(wěn)的故障的診斷畢業(yè)設(shè)計(jì)目錄唐山工業(yè)職業(yè)技術(shù)學(xué)院............................................................摘要............................................................3.............................................第一章發(fā)動(dòng)機(jī)怠速不穩(wěn).............................................
2、31.1發(fā)動(dòng)機(jī)怠速不穩(wěn)的分類..........................................31.如何觀察怠速不穩(wěn)........................................32.按出現(xiàn)規(guī)律分類..........................................33、按抖動(dòng)程度分類..........................................44.按原因關(guān)聯(lián)分類................................
3、..........45.按故障系統(tǒng)分類..........................................41.2發(fā)動(dòng)機(jī)抖動(dòng)機(jī)理................................................41.3怠速不穩(wěn)的原因................................................41.進(jìn)氣系統(tǒng).................................................42.燃油系統(tǒng)..........
4、.......................................53.點(diǎn)火系統(tǒng).................................................54、機(jī)械結(jié)構(gòu).................................................6第二章...................................發(fā)動(dòng)機(jī)怠速故障排除實(shí)例...................................72.1怠速開關(guān)不閉合......
5、..........................................72.2怠速控制閥有故障..............................................82.3進(jìn)氣管漏氣...................................................82.4配氣相位錯(cuò)誤.................................................92.5噴油器滴漏或堵塞......................
6、.......................92.6排氣系統(tǒng)堵塞.................................................10..................................第三章尼桑發(fā)動(dòng)機(jī)怠速不穩(wěn)的特例..................................103.1一輛尼桑公爵王Y30轎車,裝備VG20(E)V型6缸電控汽油噴射發(fā)動(dòng)機(jī),怠速和中速運(yùn)轉(zhuǎn)時(shí),發(fā)動(dòng)機(jī)水溫正常,高速行駛時(shí)突然熄火,再也無法起動(dòng)............
7、.....................................................103.2尼桑藍(lán)鳥的怠速不穩(wěn)的原因.....................................12第四章發(fā)動(dòng)機(jī)怠速不穩(wěn)的診斷與排除方法............................13第1頁畢業(yè)設(shè)計(jì)唐山工業(yè)職業(yè)技術(shù)學(xué)院1.詢問車主......................................................132.外觀檢查...........
8、...........................................143.查詢分析故障碼................................................144.閱讀分析數(shù)據(jù)塊................................................145.檢測(cè)..........................................................146.