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大神帮忙看一下,高速发动机转速忽高忽低
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大神帮忙看一下,高速发动机转速忽高忽低

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凯旋风

 
 
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2008-03-06
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高速的时候开100,发动机转速突然忽上忽下,一下1800转.一下2200转。特别是下坡,松油门的时候很明显,请问这是什么问题?
 
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太平洋汽车网全新推出“太平洋车友会”;来太平洋车友会,结识志同道合的车友了解详情>>

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feally2008

 
 
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情况肯定是变速箱在自动升档或者降档,这个是很正常的,你可以参考一下其他车友的车。
 
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2612243

 
 
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这种情况,可能是发动机节气门故障、怠速控制阀故障、发动机进气管漏气、点火线圈或火花塞故障等原因导致的,因为看不到实车,不能对故障进行准确判断,建议您与您当地的4S店联系,进行检测与维修。其实汽车出现这些情况,真正的原因就是汽车这那么废气单向阀损坏了,大家只需要花几十块钱把它更换掉,汽车发动机转速忽高忽低的问题就可以解决了。
 
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