現在多數汽(qi)(qi)車(che)都有(you)回(hui)(hui)油(you)(you)(you)(you)管(guan),在燃油(you)(you)(you)(you)泵供(gong)油(you)(you)(you)(you)給發動(dong)機,形成一定壓(ya)力除(chu)了正常供(gong)給燃油(you)(you)(you)(you)噴嘴噴油(you)(you)(you)(you)后,剩余的燃油(you)(you)(you)(you)通(tong)過回(hui)(hui)油(you)(you)(you)(you)管(guan)路送回(hui)(hui)到(dao)油(you)(you)(you)(you)箱(xiang)(xiang),當然還有(you)碳罐收(shou)集的多余的汽(qi)(qi)油(you)(you)(you)(you)蒸汽(qi)(qi)也通(tong)過回(hui)(hui)油(you)(you)(you)(you)管(guan)回(hui)(hui)到(dao)油(you)(you)(you)(you)箱(xiang)(xiang)回(hui)(hui)油(you)(you)(you)(you)管(guan)可以把多余的油(you)(you)(you)(you)回(hui)(hui)到(dao)油(you)(you)(you)(you)箱(xiang)(xiang),可以起到(dao)排解汽(qi)(qi)油(you)(you)(you)(you)的壓(ya)力,還可以減(jian)少油(you)(you)(you)(you)耗。
汽車回油管作用:
1、就是讓多余的(de)(de)油(you)回(hui)流到油(you)箱(xiang),減少油(you)量的(de)(de)消耗。當燃油(you)泵提供的(de)(de)油(you)大于(yu)發動機所需(xu)要的(de)(de)最佳油(you)量時,油(you)會通過回(hui)油(you)管回(hui)到油(you)箱(xiang);
2、需要(yao)注意的是,如果(guo)回油(you)管堵(du)塞,會造成油(you)壓過高(gao)(gao),導致怠(dai)速過高(gao)(gao),燃燒不(bu)充(chong)分,動力(li)不(bu)足。油(you)耗增(zeng)大(da);
3、怠速(su)狀態是(shi)指發動(dong)機(ji)空轉(zhuan)(zhuan)時(shi)(shi)一種工作狀況(kuang)。在發動(dong)機(ji)運轉(zhuan)(zhuan)時(shi)(shi),如果完全放(fang)松(song)油門(men)(men)踏板,這時(shi)(shi)發動(dong)機(ji)就處于怠速(su)狀態。調整怠速(su)時(shi)(shi)轉(zhuan)(zhuan)速(su)不能(neng)突高突低(di),否則會對(dui)發動(dong)機(ji)造成早期(qi)磨損,最好到(dao)汽車維修部(bu)門(men)(men)進(jin)行(xing)調整。
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