現在多數汽(qi)(qi)車(che)都(dou)有回(hui)油(you)(you)(you)管(guan),在燃(ran)(ran)油(you)(you)(you)泵供(gong)油(you)(you)(you)給發動機,形成(cheng)一定(ding)壓力除了正常供(gong)給燃(ran)(ran)油(you)(you)(you)噴嘴(zui)噴油(you)(you)(you)后,剩余的(de)燃(ran)(ran)油(you)(you)(you)通過回(hui)油(you)(you)(you)管(guan)路送(song)回(hui)到油(you)(you)(you)箱(xiang)(xiang),當然還(huan)有碳罐收(shou)集的(de)多余的(de)汽(qi)(qi)油(you)(you)(you)蒸(zheng)汽(qi)(qi)也通過回(hui)油(you)(you)(you)管(guan)回(hui)到油(you)(you)(you)箱(xiang)(xiang)回(hui)油(you)(you)(you)管(guan)可(ke)以把多余的(de)油(you)(you)(you)回(hui)到油(you)(you)(you)箱(xiang)(xiang),可(ke)以起到排解汽(qi)(qi)油(you)(you)(you)的(de)壓力,還(huan)可(ke)以減少油(you)(you)(you)耗。
汽車回油管(guan)作(zuo)用(yong):
1、就是讓多(duo)余的(de)油(you)(you)(you)回(hui)流到油(you)(you)(you)箱,減(jian)少油(you)(you)(you)量的(de)消耗(hao)。當燃油(you)(you)(you)泵提供的(de)油(you)(you)(you)大于發動機所需要的(de)最佳油(you)(you)(you)量時,油(you)(you)(you)會通過回(hui)油(you)(you)(you)管回(hui)到油(you)(you)(you)箱;
2、需(xu)要注意的(de)是,如果回油(you)(you)(you)管堵塞,會造成油(you)(you)(you)壓過高(gao),導致怠(dai)速過高(gao),燃(ran)燒不充分,動力不足。油(you)(you)(you)耗(hao)增(zeng)大;
3、怠(dai)(dai)(dai)速(su)(su)狀(zhuang)態(tai)是指發(fa)動(dong)機(ji)空轉(zhuan)時(shi)一種工作狀(zhuang)況。在發(fa)動(dong)機(ji)運轉(zhuan)時(shi),如果(guo)完全放(fang)松油門(men)(men)踏板,這(zhe)時(shi)發(fa)動(dong)機(ji)就(jiu)處(chu)于(yu)怠(dai)(dai)(dai)速(su)(su)狀(zhuang)態(tai)。調整(zheng)怠(dai)(dai)(dai)速(su)(su)時(shi)轉(zhuan)速(su)(su)不能突高突低,否(fou)則會對(dui)發(fa)動(dong)機(ji)造成(cheng)早(zao)期磨損,最好到汽車維修部門(men)(men)進行調整(zheng)。
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