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中兴皮卡车冒黑烟怎么办
更新时间: 2020-10-04 00:00:00  

1、拆下空气滤清器,观察排气烟色。若排黑烟情况好转,故障系空气滤清器脏污严重造成的;

2、检查供油时间是否过早,若过早应调整;

3、在发动机运转时,可逐缸断油试验。当某缸断油时,发动机转速降低,黑烟明显减少,敲击声变弱或消失,说明该缸供油量过多,若发动机转速变化小而黑烟消失,说明该缸喷油器喷雾质量差,找出有故障的汽缸后,拆检喷油器;

4、必要时,可换装新喷油器进行对比,若用新喷油器时故障消失,说明原喷油器有故障。

关键词: 中兴 卡车 怎么办

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