大部分车主对自家的车子都十分爱护，所以非常关心行车保护以及用车习惯的相关信息。而如今正是天气比较寒冷的冬天，因此，不少小伙伴问，冬天开车前需要“热车”吗？最后强调一次，别等拉缸才知道。
要想弄清楚这件事情的答案就必须先弄明白热车是为了干什么，它的作用就是提前让发动机达到平常运行时的温度，以免发动机无法正常运转。而冬天比较寒冷的时候发动机没办法迅速达到需要的温度，因此需要提前让发动机运作起来直到他达到平时的温度再启动车子。
很多人看到这里可能会觉得自己平常不热车也没发生过故障，该启动的时候车子仍然可以启动。这样的行为短时间内的确没有问题，但是时间长了不热车直接启动会导致启动困难或是挂档不那么顺滑的情况，更重要的是这样的行为会导致拉缸。
虽然这么听起来冬天的时候需要热车，但实际上并不是所有的车子都需要进行长时间的热车，如果大家如果大家的车子是直喷还是电喷发动机就不能在原地长时间热车。因为这种发动机可以迅速达到平常发动机启动需要的温度，如果长时间热车就会增加油耗和积碳现象。这种车子的正确使用方法应该是发动三十秒左右就上路，最好不要超过一分钟，要注意的是转速不要太高，尽量控制在3500转以内。
总的来说，冬天都是需要热车的，只是不同的发动机需要的热车时间不同，弄明白自己的发动机是什么类型的再针对情况作出是否热车的决定就可以了。看完后，不少车主纷纷表示：后悔知道晚了。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/5224.html
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