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116问答网 > 发动机的排气管喷火是怎么回事？和小汽油机放炮是一样的吗？怎么做防止汽油机放炮？

发动机的排气管喷火是怎么回事？和小汽油机放炮是一样的吗？怎么做防止汽油机放炮？

2025-03-16 15:49:57

推荐回答（3个）

回答1：

汽油机排气管放炮，是燃油与空气的比例低了（空燃比低于14.7%）。的空燃比低时，汽油在点火后燃烧时间延长，做功行程结束后排气阀打开后燃烧还没结束。所以您看到了喷火或放炮。
防止汽油机放炮，是想办法提高汽油比例。例如提高化油器的浮子（提高油面）。

回答2：

那种车喷火？竞技型车喷火正常！燃油没有完全燃烧

回答3：

点火时间晚了点

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