汽車(che)發電(dian)(dian)機(ji)(ji)損壞(huai)后(hou)，電(dian)(dian)池不能及時充(chong)電(dian)(dian)，所以(yi)汽車(che)發電(dian)(dian)機(ji)(ji)損壞(huai)后(hou)的開始一個癥狀(zhuang)就是電(dian)(dian)池沒電(dian)(dian)了。還(huan)會出(chu)現車(che)輛啟動(dong)(dong)無力，或者啟動(dong)(dong)后(hou)出(chu)現各種小問題(ti)，如缺缸、無力、故障報碼(ma)、充(chong)電(dian)(dian)燈點(dian)亮等。

當(dang)發(fa)現充(chong)電(dian)(dian)(dian)(dian)(dian)指示燈亮，電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)量(liang)低時，需要(yao)檢查發(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)是否在發(fa)電(dian)(dian)(dian)(dian)(dian)，電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)是否正常(chang)。很簡單的(de)方法就是在車輛啟(qi)(qi)動(dong)后，用(yong)萬(wan)用(yong)表測(ce)量(liang)蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)。發(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)正常(chang)工作時，輸出(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)約為(wei)13.5-14.2V  V，電(dian)(dian)(dian)(dian)(dian)壓(ya)與發(fa)動(dong)機(ji)(ji)轉速(su)和(he)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)剩余電(dian)(dian)(dian)(dian)(dian)量(liang)有(you)(you)關。如(ru)果(guo)(guo)發(fa)動(dong)機(ji)(ji)轉速(su)高(gao)，輸出(chu)電(dian)(dian)(dian)(dian)(dian)壓(ya)也(ye)會高(gao)。如(ru)果(guo)(guo)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)，充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)會很大，發(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)壓(ya)會降低。不(bu)用(yong)萬(wan)用(yong)表，一些(xie)能(neng)顯示電(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)充(chong)電(dian)(dian)(dian)(dian)(dian)器也(ye)能(neng)看到電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)當(dang)前電(dian)(dian)(dian)(dian)(dian)壓(ya)是：如(ru)果(guo)(guo)車輛啟(qi)(qi)動(dong)后蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)沒(mei)(mei)有(you)(you)升高(gao)，則可以判斷(duan)(duan)蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)沒(mei)(mei)有(you)(you)充(chong)電(dian)(dian)(dian)(dian)(dian)，發(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)不(bu)能(neng)給(gei)蓄(xu)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)。這種情況(kuang)下，作為(wei)用(yong)戶(hu)，就沒(mei)(mei)有(you)(you)必(bi)要(yao)再(zai)去(qu)查了。畢竟(jing)大部分用(yong)戶(hu)沒(mei)(mei)有(you)(you)處置能(neng)力，還是把更換和(he)維修交給(gei)專業人(ren)士比(bi)較好。

當發電(dian)機(ji)發生(sheng)故障時，汽車或(huo)儀表(biao)盤的燈(deng)光會變暗，所以(yi)當你看到這個儀表(biao)的燈(deng)光變暗或(huo)燈(deng)光變暗時，我們(men)就要警惕發電(dian)機(ji)的故障了(le)。

還有一種情況是怠速時(shi)發(fa)電(dian)(dian)機(ji)皮(pi)帶(dai)抖動明(ming)顯，傳動皮(pi)帶(dai)過松打(da)滑。這(zhe)一次也證明(ming)了汽車的(de)發(fa)電(dian)(dian)機(ji)出了故障。不要低估發(fa)電(dian)(dian)機(ji)故障的(de)問題。嚴(yan)重(zhong)的(de)話可能(neng)會導(dao)致車禍(huo)，一定要重(zhong)視，經常保養。