Q: My 99 Chevy tahoe vortec 5.7l has a code p0300 random misfire what code this be?
我的发动机灯亮了，据说这是代码P0300随机失火，这可能是什么？
My car has 201354 miles.
我的汽车有自动变速箱。
嗨，德马里奥。感谢您今天与我们联系。在现代燃烧引擎中，如果多个气缸失火，这将增加或减少曲轴的每分钟旋转（RPM）。如果该增加和/或减少超过2％，则动力总成控制模块将存储P0300故障代码。如果每分钟旋转（RPM）的增加或减少的百分比在2％至10％之间，则检查引擎灯将亮起。如果每分钟旋转（RPM）的增加或减少的百分比大于10％，则检查发动机的灯光将闪烁和关闭，以提醒驾驶员更严重的失火问题。您可以通过多种可能的来源进行审查clicking this link to the P-0300 OBD-II error code article we have posted。
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