The lighting effect of automobile spark plug is mixed gas. The engine can start to work, which is equivalent to the "heart" of many important engines. After the spark plug needs to be replaced due to wear and tear for a period of time, some owners of Jinan Audi automobile maintenance company change to fuel. After they want to know the reason of a new spark plug oil, the new spark plug needs to be run in. See the figure below.

　　更换火花塞后耗油的原因

　　Causes of fuel consumption after spark plug replacement主人觉得当他们改变一个新的火花塞燃料消耗增加,因为现在发动机是通过计算机来控制喷油量和点火,由于计算机控制单元是适应旧的火花塞的工作状态,所以在更换新的火花塞,电脑会根据新的火花塞,调整从而使所有者燃料消耗增加。

　　The owner thinks that when they change a new spark plug, the fuel consumption increases, because the engine now controls the fuel injection and ignition through the computer. Because the computer control unit adapts to the working state of the old spark plug, when replacing the new spark plug, the computer will adjust according to the new spark plug, thus increasing the owner's fuel consumption.

　　此外,燃料消耗增加火花塞的更换后也可以更换火花塞的所有者模型是错误的,火花塞间隙尺寸的不同,使点火的成功率降低,并导致油耗的增加。或火花塞更换不紧，气缸内高压气体泄漏，压力降低，因而也会出现怠速不稳的现象。

　　In addition, the owner model of spark plug can also be changed after the replacement of spark plug due to the increase of fuel consumption. The difference of gap size of spark plug reduces the success rate of ignition and leads to the increase of fuel consumption. Or the spark plug is not replaced tightly, the high-pressure gas in the cylinder leaks and the pressure is reduced, so the idle speed will be unstable.

　　是否需要安装新的火花塞

　　Do you need to install a new spark plug

　　一般情况下，如果业主更换原厂的同类型火花塞不需要运行一段时间，电脑会自动适应以匹配新的火花塞。但是如果主人更换火花塞，那就是不同的材料需要一段磨合时间，例如把铱火花塞换成铂金火花塞，那么电脑需要学会适应，调整参数。

　　Generally, if the owner does not need to run the same type of spark plug for some time, the computer will automatically adapt to match the new spark plug. But if the owner changes the spark plug, it is a period of running in time for different materials, such as replacing iridium spark plug with platinum spark plug, then the computer needs to learn to adapt and adjust the parameters.

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