JL466Q5发动机缺缸 ``故障码 P0300 P0301 电脑 线束`各个传感器 全动了``故障码清除2分钟之内不缺之后继续

2025年03月21日 15:17
有4个网友回答
网友(1):

故障码:P0300
中文含义:随机/多个气缸检测到失火
英文含义:Random/Multiple Cylinder Misfire Detected
范畴:点火系统
详细含义:气缸失火是指发动机工作过程中由于各种原因造成的混合气在气缸内不能正常燃烧的现象。如果电子控制单元(ECU)检测到可能会对催化转换器造成破坏的失火,故障指示灯会闪烁,此时应立即关闭发动机。该故障码表明有多个气缸失火或者是电子控制单元(ECU)不能确定哪一个气缸失火。故障原因包括气缸机械故障,燃油计量错误,燃油压力太高或太低,蒸发排放系统故障,EGR阀卡在开,PCV系统真空泄漏,点火系统故障,空气流量计故障,油箱内燃油液位过低。

网友(2):

我记得P0300 是失火故障 建议检查一下钢线 火花塞 点火线圈 以及缸压 如果是两个缸不工作的话就重新检查线速和电脑了 还有就是你的曲轴位置传感器在前面装的还是后面啊 检查一下给曲轴传感器信号的轮有没有松旷的

网友(3):

有故障码了 排除呀 查手册 看看是什么毛病

网友(4):

你好,汽车发动机P0300故障码是指发动机检测多缸失火故障。
产生这种现象的故障系统有喷油系统和点火系统,基本上都是电路和电控的故障,建议找电气电控专业的维修人员进行检测维修

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