現在多(duo)數(shu)汽車都(dou)有(you)回(hui)(hui)油(you)(you)(you)(you)(you)管,在燃(ran)油(you)(you)(you)(you)(you)泵供(gong)(gong)油(you)(you)(you)(you)(you)給(gei)發動機(ji),形成一定壓力(li)除(chu)了正常供(gong)(gong)給(gei)燃(ran)油(you)(you)(you)(you)(you)噴(pen)嘴噴(pen)油(you)(you)(you)(you)(you)后(hou),剩余(yu)的(de)燃(ran)油(you)(you)(you)(you)(you)通(tong)過(guo)回(hui)(hui)油(you)(you)(you)(you)(you)管路送回(hui)(hui)到(dao)(dao)油(you)(you)(you)(you)(you)箱(xiang),當然還有(you)碳罐收集的(de)多(duo)余(yu)的(de)汽油(you)(you)(you)(you)(you)蒸汽也通(tong)過(guo)回(hui)(hui)油(you)(you)(you)(you)(you)管回(hui)(hui)到(dao)(dao)油(you)(you)(you)(you)(you)箱(xiang)回(hui)(hui)油(you)(you)(you)(you)(you)管可以把(ba)多(duo)余(yu)的(de)油(you)(you)(you)(you)(you)回(hui)(hui)到(dao)(dao)油(you)(you)(you)(you)(you)箱(xiang),可以起到(dao)(dao)排解汽油(you)(you)(you)(you)(you)的(de)壓力(li),還可以減少油(you)(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(liu)到油(you)箱,減(jian)少(shao)油(you)量(liang)的(de)(de)消(xiao)耗(hao)。當燃油(you)泵提供的(de)(de)油(you)大于發動(dong)機所需要的(de)(de)最佳油(you)量(liang)時,油(you)會通過回(hui)油(you)管(guan)回(hui)到油(you)箱;
2、需要注意的是,如果回油管堵塞,會造成油壓過高(gao),導致怠(dai)速過高(gao),燃燒不充分(fen),動力不足(zu)。油耗(hao)增大;
3、怠(dai)速(su)狀(zhuang)(zhuang)態(tai)是指發(fa)(fa)(fa)動(dong)機空轉時一種工作狀(zhuang)(zhuang)況。在發(fa)(fa)(fa)動(dong)機運轉時,如果(guo)完全放(fang)松油門踏板,這時發(fa)(fa)(fa)動(dong)機就處(chu)于(yu)怠(dai)速(su)狀(zhuang)(zhuang)態(tai)。調(diao)整(zheng)怠(dai)速(su)時轉速(su)不能突高突低,否則會(hui)對發(fa)(fa)(fa)動(dong)機造成早(zao)期磨(mo)損(sun),最好到汽車維修部門進(jin)行(xing)調(diao)整(zheng)。
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