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空氣流量傳感器

汽車上空氣流量傳感器的作用

發布日期:2022-10-09 點擊率:112

如今,燃油噴射式發動機依賴正確的空氣-燃料比以確保燃料完全燃燒或燃料用量,因此需要用空氣流量傳感器進行監控。空氣流量傳感器已經成為最重要的汽車傳感器之一,它在確定汽車燃油里程和廢氣排放方面發揮著重要的作用,它監測通過進氣道進入發動機內部的空氣量,并將其轉換成電壓信號,然后被發送到發動機控制模塊。發動機控制模塊根據傳遞過去的信號來確定需要多少燃料和空氣混合,并且告知汽車點火系統每個氣缸的火花塞何時打火。
  汽車加速時空氣流量傳感器反應遲鈍是出現磨損或故障的征兆,同時也表明發動機沒有注入適量的燃料,不是太少就是太多了。
  依目前燃油價格來看,一個正常運轉的空氣流量傳感器可能隨著泵運轉次數的減少所節省了燃油量,抵得上傳感器的價格。因此,如果汽車上的空氣流量傳感器出現故障,是值得更換的。

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