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七代凯美瑞排气管声音大怎么回事
更新时间: 2021-02-27 15:19:37  

1、如果声音很大,很明显,那说明排气管放炮的可能性很大;排气管放炮,也就是燃油在排气系统内燃烧,导致排气压力偶尔突然增加,发生突突声音,有可能是:

A-发动机点火提前角太小导致;

B-混合器过稀,在气缸内未被成功点燃导致;

C-混合气过浓,在气缸内未被成功点燃导致;

D-气缸漏气,气缸压力过低导致无法点燃。

2、怠速的时候发动机转速低,排气系统气流速度时快时慢,如果突突声音不是很大的话,是正常的。

3、怠速抖动厉害伴随严重突突声音,需要检查。

关键词: 排气管 声音 怎么 回事

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