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p0172系統過濃解決辦法
p0172系統過濃解決辦法
更新时间:2024-07-22 17:15:30

  1、短期燃油修正:将空燃比持續保持在理論值的燃油補償值。來自空燃比傳感器的信号指示空燃比與理論空燃比相比是濃還是稀。這使燃油噴射量在空燃比偏濃時減少,在空燃比偏稀時增加。

  2、長期燃油修正:控制總體燃油補償,用于補償短期燃油修正造成的與中間值的長期偏差。長期燃油修正後,還是無法達到理想空燃比,就會報故障碼。

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