能多加多少加多少

光滑油量應該控製在機油尺的上、下(xia)刻(ke)度(du)線(xian)之(zhi)間(jian)為(wei)好(hao)。由(you)於(yu)光(guang)滑(hua)油(you)過(guo)多(duo)會(hui)從(cong)氣(qi)缸(gang)與(yu)活(huo)塞(sai)的(de)空(kong)隙(xi)中(zhong)竄(cuan)入(ru)焚(fen)燒(shao)室(shi)焚(fen)燒(shao)構(gou)成(cheng)積(ji)炭(tan)。這(zhe)些(xie)積(ji)炭(tan)會(hui)進(jin)步(bu)發(fa)動(dong)機(ji)壓(ya)縮(suo)比(bi)，添(tian)加(jia)發(fa)生(sheng)爆(bao)震(zhen)的(de)傾(qing)向(xiang)；積ji炭tan在zai汽qi缸gang內nei呈cheng紅hong熱re狀zhuang態tai還hai簡jian單dan引yin起qi早zao燃ran，如ru落luo入ru汽qi缸gang會hui加jia劇ju汽qi缸gang和he活huo塞sai的de磨mo損sun

，還hai會hui加jia速su汙wu染ran光guang滑hua油you。其qi次ci，光guang滑hua油you過guo多duo添tian加jia了le曲qu軸zhou連lian杆gan的de攪jiao拌ban阻zu力li，使shi燃ran油you消xiao耗hao增zeng大da。

變黑了才換掉

這zhe種zhong了le解jie並bing不bu全quan麵mian。對dui於yu沒mei有you加jia喧xuan囂xiao分fen散san劑ji的de光guang滑hua油you來lai說shuo，色se彩cai變bian黑hei的de確que是shi油you品pin已yi嚴yan峻jun變bian質zhi的de體ti現xian，但dan現xian代dai轎jiao車che運yun用yong的de光guang滑hua油you一yi般ban都dou加jia有you喧xuan囂xiao分fen化hua劑ji。這zhe種zhong喧xuan囂xiao劑ji將jiang粘zhan附fu在zai活huo塞sai上shang的de膠jiao膜mo和he黑hei色se積ji炭tan洗xi滌di下xia來lai並bing分fen散san在zai油you中zhong，削xue減jian發fa動dong機ji高gao溫wen沉chen澱dian物wu的de生sheng成cheng，故gu光guang滑hua油you運yun用yong一yi段duan時shi間jian後hou色se彩cai簡jian單dan變bian黑hei，但dan這zhe時shi的de油you品pin其qi實shi並bing未wei徹che底di變bian質zhi。

經常添不用換

經jing常chang檢jian查zha光guang滑hua油you是shi正zheng確que的de，但dan隻zhi補bu充chong不bu更geng換huan隻zhi能neng彌mi補bu機ji油you數shu量liang上shang的de缺que乏fa，卻que無wu法fa徹che底di補bu償chang光guang滑hua油you功gong用yong的de丟diu失shi。光guang滑hua油you在zai運yun用yong過guo程cheng中zhong，由you於yu汙wu染ran、氧化等原因質量會逐漸下降
，一起還會有一些消耗，使數量削減。

添加劑用處大

zhenzhengyouzhideguanghuayoushijubeiduozhongfadongjiweihugongyongdechengpin，peifangzhongyihanyouduozhongtianjiaji，qijianbaohankangmoji
，erqieguanghuayoukaojiupeifangdejunheng，yibaozhanggezhonggongyongdechongfenfahui。zixingtianjiaqitatianjiajibuzhibunenggeicheliangdailaiewaiweihu
，faneryiyujiyouzhongdehuaxuewuzhifashengfanying，zaochengjiyouzonghegongyongdexiajiang。