多久換一次火花塞
不(bu)同(tong)類型的火(huo)(huo)(huo)花(hua)塞(sai)壽(shou)命(ming)(ming)(ming)差(cha)距較大(da)。國產單極火(huo)(huo)(huo)花(hua)塞(sai)的工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)命(ming)(ming)(ming)為1-1.2萬(wan)公(gong)里(li),進(jin)(jin)口三(san)極火(huo)(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)命(ming)(ming)(ming)為2-3萬(wan)公(gong)里(li),進(jin)(jin)口銥金(jin)火(huo)(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)命(ming)(ming)(ming)為3-4萬(wan)公(gong)里(li),進(jin)(jin)口鉑(bo)金(jin)火(huo)(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)命(ming)(ming)(ming)為3-5萬(wan)公(gong)里(li),進(jin)(jin)口銥鉑(bo)金(jin)火(huo)(huo)(huo)花(hua)塞(sai)(正電極銥金(jin),側電極鉑(bo)金(jin))工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)命(ming)(ming)(ming)可達到(dao)8萬(wan)公(gong)里(li),而最頂級的雙銥金(jin)火(huo)(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)命(ming)(ming)(ming)則可達10萬(wan)公(gong)里(li)以(yi)上。
怎樣判斷火花塞該換了
拆下火花塞觀察(cha),根據以下的外觀顏色觀察(cha)判斷火花塞的使用(yong)狀況:
如果是赤褐色或鐵銹色,表明火花塞正常;如果是漬油(you)狀,表明(ming)火花塞(sai)間隙失調(diao)或供油(you)過多,高壓線(xian)短路(lu)(lu)或斷(duan)路(lu)(lu);如果是煙(yan)熏過的(de)黑色(se),表明火花塞冷熱型選錯或混合氣濃,機油(you)上竄(cuan);如果在頂端處與電(dian)極間有(you)沉(chen)(chen)積物,沉(chen)(chen)積物是(shi)油性物時,證明氣缸竄機油,與火(huo)花塞(sai)無關;如果沉(chen)(chen)積物是(shi)黑色時則(ze)說明火(huo)花塞(sai)積碳而(er)旁路;沉(chen)(chen)積物為(wei)灰色則(ze)是(shi)因為(wei)汽油中添加劑覆蓋了電(dian)極而(er)導致的缺火(huo);如果火花塞嚴(yan)重(zhong)燒蝕,頂端出現起疤、黑色紋路、破裂、電極熔化等現象,這就表明火花塞已(yi)經損壞(huai),必(bi)須立即更換。
火花塞選購
在選擇火(huo)花(hua)塞(sai)時,必須(xu)保證(zheng)舊火(huo)花(hua)塞(sai)與新火(huo)花(hua)塞(sai)的(de)尺(chi)寸一致(zhi)。火(huo)花(hua)塞(sai)的(de)尺(chi)寸會印在裙部陶瓷絕緣體上,只要(yao)保證(zheng)新老火(huo)花(hua)塞(sai)的(de)尺(chi)寸數字和字母一致(zhi)即可。
至于品牌選擇就因人而異了,同等價位之間的競品其實差距不是很大,選擇你喜歡并且有售后保障的火花塞品牌即可。