發動機怠速不穩的原因有很多，比如進氣系統故障、燃油系統故障、點火系統故障、其他原因等。進氣系統，進氣管以及各種閥門的洩漏。空氣或者是從進氣管進入，汽油蒸汽是從碳罐閥進入，還有廢氣進入到進氣管，會造成混合器過濃、過稀，使發動機燃燒不正常。
發動機怠速不穩是什麼原因
更新时间：2024-10-01 15:37:14
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