多久換一次火花塞
不同類型的火(huo)(huo)花(hua)塞(sai)壽(shou)(shou)命(ming)(ming)差距(ju)較大。國產單極(ji)火(huo)(huo)花(hua)塞(sai)的工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)(shou)命(ming)(ming)為(wei)1-1.2萬(wan)公(gong)里,進口(kou)三極(ji)火(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)(shou)命(ming)(ming)為(wei)2-3萬(wan)公(gong)里,進口(kou)銥(yi)金(jin)(jin)(jin)火(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)(shou)命(ming)(ming)為(wei)3-4萬(wan)公(gong)里,進口(kou)鉑金(jin)(jin)(jin)火(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)(shou)命(ming)(ming)為(wei)3-5萬(wan)公(gong)里,進口(kou)銥(yi)鉑金(jin)(jin)(jin)火(huo)(huo)花(hua)塞(sai)(正電極(ji)銥(yi)金(jin)(jin)(jin),側電極(ji)鉑金(jin)(jin)(jin))工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)(shou)命(ming)(ming)可達到8萬(wan)公(gong)里,而(er)最頂級的雙銥(yi)金(jin)(jin)(jin)火(huo)(huo)花(hua)塞(sai)工(gong)(gong)(gong)作(zuo)(zuo)壽(shou)(shou)命(ming)(ming)則(ze)可達10萬(wan)公(gong)里以上。
怎樣判斷火花塞該換了
拆(chai)下火花塞(sai)觀(guan)察,根據以下的外觀(guan)顏色(se)觀(guan)察判斷火花塞(sai)的使(shi)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)火花塞間隙失調或(huo)(huo)供油(you)過多,高壓線短路或(huo)(huo)斷路;如(ru)果是煙熏過(guo)的黑色,表明火花塞冷熱型(xing)選(xuan)錯或混合(he)氣濃,機油上竄;如果在(zai)頂端處與(yu)電極(ji)間有沉積物(wu)(wu),沉積物(wu)(wu)是(shi)油性物(wu)(wu)時(shi),證明(ming)氣缸竄(cuan)機(ji)油,與(yu)火(huo)花塞無關;如果沉積物(wu)(wu)是(shi)黑(hei)色時(shi)則說明(ming)火(huo)花塞積碳而旁路;沉積物(wu)(wu)為(wei)灰色則是(shi)因為(wei)汽油中(zhong)添加劑覆(fu)蓋了電極(ji)而導致的缺火(huo);如果火花(hua)塞(sai)(sai)嚴重(zhong)燒(shao)蝕,頂端(duan)出現起疤、黑(hei)色紋路、破裂、電極熔化等現象,這就表明火花(hua)塞(sai)(sai)已(yi)經損壞,必須(xu)立即(ji)更換。
火花塞選購
在選擇火(huo)花(hua)塞(sai)時(shi),必須保證(zheng)舊火(huo)花(hua)塞(sai)與新(xin)火(huo)花(hua)塞(sai)的尺(chi)寸(cun)一(yi)致。火(huo)花(hua)塞(sai)的尺(chi)寸(cun)會印在裙部陶瓷絕緣(yuan)體上(shang),只要保證(zheng)新(xin)老火(huo)花(hua)塞(sai)的尺(chi)寸(cun)數字和字母一(yi)致即可。
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