進氣管真空度的基本檢測方法

  （1）起(qi)動發動機，使(shi)其(qi)達到(dao)正常(chang)工作(zuo)溫度；

  （2）然后將變速桿置(zhi)于(yu)空檔，并使發(fa)動機空轉。

  （3）找到節氣門后面專門設置的進氣系統的真空檢測孔，并在那里連接真空計（如果沒有這樣的檢測孔，則可以拆卸進氣歧管上的真空管并使用三通 連接真空計），即可執行測試。

  進氣管真空異常對自動控制系統的影響

  由于進(jin)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)的(de)(de)真(zhen)空度意(yi)味著發動(dong)(dong)(dong)(dong)機(ji)轉速和(he)負(fu)荷(he)的(de)(de)大小，因(yin)(yin)此進(jin)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)的(de)(de)真(zhen)空度變化意(yi)味著發動(dong)(dong)(dong)(dong)機(ji)的(de)(de)速度和(he)負(fu)荷(he)發生了變化，因(yin)(yin)此在電(dian)子控制(zhi)(zhi)汽車中，負(fu)壓是 發動(dong)(dong)(dong)(dong)機(ji)進(jin)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)用(yong)(yong)作(zuo)動(dong)(dong)(dong)(dong)力源，廣(guang)泛用(yong)(yong)于電(dian)子控制(zhi)(zhi)系(xi)(xi)統(tong)(tong)的(de)(de)執行器(qi)(qi)(qi)及其他裝置，例如進(jin)氣(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)的(de)(de)膜片(pian)對(dui)壓力傳感器(qi)(qi)(qi)，燃(ran)油壓力調節器(qi)(qi)(qi)，曲軸箱強制(zhi)(zhi)通風(feng)系(xi)(xi)統(tong)(tong)，燃(ran)油蒸氣(qi)(qi)(qi)(qi)回收系(xi)(xi)統(tong)(tong)，廢氣(qi)(qi)(qi)(qi)再(zai)循環系(xi)(xi)統(tong)(tong) ，巡航控制(zhi)(zhi)系(xi)(xi)統(tong)(tong)真(zhen)空致動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)和(he)真(zhen)空助力器(qi)(qi)(qi)，用(yong)(yong)于制(zhi)(zhi)動(dong)(dong)(dong)(dong)系(xi)(xi)統(tong)(tong)。 如果進(jin)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)的(de)(de)真(zhen)空異常(chang)，將嚴重影響上述系(xi)(xi)統(tong)(tong)的(de)(de)正常(chang)運行。