多久換一次火花塞
不同類型(xing)的(de)火(huo)花(hua)塞(sai)(sai)(sai)壽命(ming)(ming)差(cha)距較大。國產單極(ji)(ji)火(huo)花(hua)塞(sai)(sai)(sai)的(de)工(gong)(gong)(gong)(gong)作(zuo)壽命(ming)(ming)為(wei)(wei)1-1.2萬(wan)公(gong)里(li),進口(kou)三極(ji)(ji)火(huo)花(hua)塞(sai)(sai)(sai)工(gong)(gong)(gong)(gong)作(zuo)壽命(ming)(ming)為(wei)(wei)2-3萬(wan)公(gong)里(li),進口(kou)銥(yi)金(jin)(jin)火(huo)花(hua)塞(sai)(sai)(sai)工(gong)(gong)(gong)(gong)作(zuo)壽命(ming)(ming)為(wei)(wei)3-4萬(wan)公(gong)里(li),進口(kou)鉑(bo)金(jin)(jin)火(huo)花(hua)塞(sai)(sai)(sai)工(gong)(gong)(gong)(gong)作(zuo)壽命(ming)(ming)為(wei)(wei)3-5萬(wan)公(gong)里(li),進口(kou)銥(yi)鉑(bo)金(jin)(jin)火(huo)花(hua)塞(sai)(sai)(sai)(正(zheng)電極(ji)(ji)銥(yi)金(jin)(jin),側電極(ji)(ji)鉑(bo)金(jin)(jin))工(gong)(gong)(gong)(gong)作(zuo)壽命(ming)(ming)可達(da)到8萬(wan)公(gong)里(li),而最(zui)頂(ding)級的(de)雙(shuang)銥(yi)金(jin)(jin)火(huo)花(hua)塞(sai)(sai)(sai)工(gong)(gong)(gong)(gong)作(zuo)壽命(ming)(ming)則可達(da)10萬(wan)公(gong)里(li)以上。
怎樣判斷火花塞該換了
拆下火(huo)(huo)花塞觀察,根據以下的外觀顏色觀察判斷(duan)火(huo)(huo)花塞的使(shi)用狀(zhuang)況(kuang):
如果是赤褐色或鐵銹色,表明火花塞正常;如果是漬(zi)油狀(zhuang),表明(ming)火花(hua)塞間隙失調(diao)或(huo)供油過多,高壓線短路或(huo)斷(duan)路;如果是煙熏過的(de)黑色(se),表明火(huo)花(hua)塞冷(leng)熱型選錯或(huo)混(hun)合氣濃,機(ji)油(you)上竄;如果在頂端(duan)處(chu)與電(dian)極(ji)間有沉(chen)積(ji)物,沉(chen)積(ji)物是油(you)性物時,證明氣缸(gang)竄機油(you),與火花塞(sai)無關;如果沉(chen)積(ji)物是黑(hei)色時則說明火花塞(sai)積(ji)碳而旁路;沉(chen)積(ji)物為灰色則是因為汽(qi)油(you)中添(tian)加劑覆蓋了電(dian)極(ji)而導(dao)致的缺火;如果火花(hua)(hua)塞嚴重燒(shao)蝕,頂端(duan)出(chu)現(xian)起疤、黑色紋路、破裂、電極(ji)熔化等現(xian)象(xiang),這就表明(ming)火花(hua)(hua)塞已經(jing)損壞,必須立(li)即更換。
火花塞選購
在選擇火(huo)花(hua)塞時,必(bi)須保證(zheng)(zheng)舊火(huo)花(hua)塞與新火(huo)花(hua)塞的(de)(de)尺寸(cun)一(yi)致。火(huo)花(hua)塞的(de)(de)尺寸(cun)會印在裙部陶(tao)瓷絕(jue)緣體(ti)上,只要保證(zheng)(zheng)新老火(huo)花(hua)塞的(de)(de)尺寸(cun)數(shu)字和字母一(yi)致即可(ke)。
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