現(xian)在多數汽(qi)車都有回(hui)油(you)(you)(you)(you)管(guan),在燃油(you)(you)(you)(you)泵供油(you)(you)(you)(you)給(gei)發動(dong)機(ji),形(xing)成(cheng)一定壓力除了正常供給(gei)燃油(you)(you)(you)(you)噴嘴噴油(you)(you)(you)(you)后(hou),剩余的燃油(you)(you)(you)(you)通(tong)過回(hui)油(you)(you)(you)(you)管(guan)路(lu)送(song)回(hui)到油(you)(you)(you)(you)箱(xiang),當然還(huan)有碳罐(guan)收(shou)集(ji)的多余的汽(qi)油(you)(you)(you)(you)蒸(zheng)汽(qi)也(ye)通(tong)過回(hui)油(you)(you)(you)(you)管(guan)回(hui)到油(you)(you)(you)(you)箱(xiang)回(hui)油(you)(you)(you)(you)管(guan)可以把多余的油(you)(you)(you)(you)回(hui)到油(you)(you)(you)(you)箱(xiang),可以起到排解汽(qi)油(you)(you)(you)(you)的壓力,還(huan)可以減少油(you)(you)(you)(you)耗。
汽車回油(you)管作用:
1、就是讓多余的油(you)(you)回(hui)流到(dao)油(you)(you)箱,減少(shao)油(you)(you)量的消耗。當燃油(you)(you)泵提供的油(you)(you)大于發動機所需(xu)要的最(zui)佳油(you)(you)量時,油(you)(you)會通(tong)過回(hui)油(you)(you)管回(hui)到(dao)油(you)(you)箱;
2、需要注意的是,如果回油(you)管堵(du)塞,會造成油(you)壓(ya)過高,導(dao)致(zhi)怠速過高,燃燒(shao)不(bu)充分,動力不(bu)足(zu)。油(you)耗增大;
3、怠速(su)狀態是指發動(dong)(dong)(dong)機空轉時一(yi)種工作狀況(kuang)。在(zai)發動(dong)(dong)(dong)機運轉時,如果完全放松油門踏板,這時發動(dong)(dong)(dong)機就處(chu)于(yu)怠速(su)狀態。調(diao)整(zheng)怠速(su)時轉速(su)不能(neng)突(tu)高突(tu)低,否(fou)則(ze)會對發動(dong)(dong)(dong)機造成早期(qi)磨損(sun),最好到汽車(che)維(wei)修部門進行(xing)調(diao)整(zheng)。
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