说到加汽油的话题,估计即便是很多老司机,有时候也傻傻分不清,更别说新手了。
不同标号的汽油混加后会发生什么?
1、混合后标号很难确定
不同标号的汽油混加之后,第一个问题,就是标号很难确定。并不是说半箱98号汽油加半箱92号汽油,就能混成一箱95号汽油。比如说辛烷值为92,说明汽油标号是92,但并不意味着该汽油中含有92%的辛烷,辛烷值的界定自有其国际标准。所以不同标号的汽油混合后,其标号就很难确定了。
虽然汽油混合之后,具体标号很难确定了,但还是可以大致估算的,比如92号汽油和98号汽油混合之后,虽然不一定就是100%的95号汽油,但肯定也介于92号汽油与98号汽油之间。但要精确测算,就需要专业仪器了。
汽油的成分其实是很复杂的,里面有各种复杂的添加剂,标号的大小仅代表其辛烷值,通俗点讲就是汽油的抗爆性或者叫抗自燃能力。抗自燃能力越高越不容易点着,所以标号越高,意味着汽油越稳定,越不容易在发动机内部高温高压的环境下,自燃自爆。
2、混合后汽油的质量如何?
关于这个,估计也是很多车主很担心的一个点。担心混合后油的质量不过关,清洁度会不会下降啊之类的。
其实大可放心,因为炼油厂生产的汽油,本身就是通过把不同标号的汽油混出来的,除非您的汽油是从一些私人小作坊或小型加油站那边来的黑油。
混合后到底能不能用,伤不伤车?
1、判断是否能用,伤不伤车,主要看说明书
混合后的油虽然具体标号难以确定,但至少可以大致估算,比如92号汽油与95号汽油混合,我们至少可以确定其汽油标号在92-95之间。如果您的油箱盖或说明书上注明要求加92号以上的汽油,这个是可以用,而且不伤车的;如果是要求加95号以上汽油,就不是很合适了。
2、混合后标号符合标准
混合汽油标号符合标准,那这个很简单,肯定是没有问题的,而且也不伤车,可以放心用。
比如我的爱车要求加92号以上的汽油,我平时用惯了92号汽油,突然想改善一下爱车的伙食,偶尔加一点95号汽油也是完全没有问题的。
因为汽车发动机本身带有传感器,会根据汽油的标号不同自行调整点火的提前角和喷油时机。当然这个调整也是有限度,前提是在爱车适应的汽油标号范围之内。
3、混合后标号不符合标准
混合后若是汽油标号不符合标准,标号低于爱车自身要求,则很容易造成能量浪费,乃至发动机动力下降,甚至可能造成发动机损坏。
当然也不是全然不能用低于标号的汽油,偶尔有个紧急情况,只要标号不低得太离谱,发动机自带的调节功能,还是可以消化的。
不过若是长期使用过低标号的汽油,对发动机损伤非常大,严重时可引起自燃和爆震。若是标号严重偏低,比如需要加98号汽油的豪车,你加了92号汽油,那就可能会产生非常严重的爆震,导致爱车出现不正常的抖动,对于动辄百万的豪车来说,那真的是亏大了。这时候就只能打救援了。
总结
其实啊,汽油是可以混用的,假如您爱车的油盖上注明要求加92号以上的汽油,那么就算92、95、98全部混加在一起,也是没啥问题的。简单一句话就是,标号高一点没关系,但是低了就不行。
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/57067.html
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