自动挡汽车高速档降到低速档时发动机转速表应是多少转为宜?

2025-04-07 08:10:00
推荐回答(2个)
回答1:

装备自动变速器的汽车没有离合器,也就从根本上避免了因操作不当造成的发动机意外熄火,但一些自动挡车由于机械故障,还是有可能中途意外熄火。遇到这种情况,如果前面没有情况,可以在不停车的情况下重新启动。
具体做法是,把变速杆迅速推入空挡(N),点火开关转到启动(START)位置,重新启动成功后,再迅速把变速杆拉到D杆,即可正常行驶。如果多次尝试发动机仍无法启动,说明故障比较严重,这时就应该果断地停车检修。

应用这种方法,必须对车辆的操作比较熟悉,如果用力过大,把变速杆直接推入倒挡(R),会对变速器造成较大损害,还有些车的点火开关有防止二次启动的功能,必须先转回到关闭的位置,才能重新启动,但一定小心不要让方向盘锁死,另外,发动机熄火后,制动和转向助力也随之失效,这时,需要更大的力量才能控制住车辆。

所有这些,平时大家都很清楚,但紧急情况下,就难免手忙脚乱,所以,如果是新手,最好还是先踏踏实实地把车停到路边。

回答2:

自动档汽车自己按照转速就会降档的啊 如果是手动的就要另当别论了
主要是听引擎的声音来判断的

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