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汽油车冒黑烟怎么解决
更新时间： 2021-02-18 15:47:10  

1、若发动机排气管排出大量黑烟，并伴随有放炮声，则可断定是混合气过浓所致。应及时检查阻风门是否完全打开，必要时进行高速检修；熄火后从化油器口看主喷管，若有油注出或滴油，则浮子室油面过高，应调整到规定范围，拧紧或更换主量孔；空气滤清器堵塞，应清洗或更换。

2、若发动机排气管排出少量黑烟，并伴随有节奏的“突突”声，则可断定是少数缸不工作或点火正时失准所致。可用逐缸断火法找出不工作气缸，或检查校正点火正时。

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