什么是汽车刷ECU？想必大多数人都不知道。那汽车刷ECU之后又有什么变化呢？刷过ECU之后对汽车会有什么利弊呢？下面跟着我来给您简单科普一下。
首先，ECU是是Elecmal Control Unit 的缩写，即电子控制单元，也被叫做 “行车电脑 “。有一句话来类比就是：人类的大脑，电脑的CPU，汽车的ECU。
那么为什么要刷ECU呢？首先刷ECU的基本原理是把汽车在原厂出厂时所没调校出、没发挥出的动力刷出来，使汽车可以在稳定的同时又可以达到最大输出。那为什么出厂时汽车没有达到动力最大化呢？由于使用汽车的每个国家在燃油品质、空气环境、汽车工艺等多方面上都存在差异，但ECU又需要符合国际标准去适应每个国家，所以原车ECU的 出厂设置比较保守，留有一定的空间可供升级。另外，无论是生产成本来看还是后期维护上来说，不可能每款车都设置属于自己的”大脑”，且同一款车既有高配版又要有低配版，对ECU的设置留有保留可以拉开不同版本之间的差距。
那么刷过ECU的汽车又有什么变化呢？ECU配置的升级主要是对针对汽车的点火、喷油、空燃比等进行调整，从而提升汽车的功率和扭力。一般来说，最直观的感受就是刷过ECU后的汽车的油门反应速度变得更加灵敏了，动力也提升了，点火喷油和气门正时的调校精确率也得到了提升。
不过汽车刷过ECU后的确也会带来一些不好的影响，比如刷过ECU后，汽车对于汽油的品质以及温度的要求变得更高，所以刷ECU后的汽车如果使用低质的汽油或者发动机超负荷工作后，发动机的寿命都会减少。最重要的一点就是像手机刷机一样，汽车刷ECU后，4S店将会对您的爱车拒绝提供质保。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/39039.html
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