The engine speed of Chai Weiguo V slowly decreased.

It may be carbon deposit on the throttle or the throttle line is too rough.

If the engine speed drops slowly after the car accelerates, it may be that there is carbon deposit on the throttle or the throttle line is too astringent. Just clean the throttle and change the line. In addition, it is also possible that the elasticity of the accelerator pedal spring or throttle spring is not enough, resulting in the throttle not being closed immediately. The accelerator pedal and throttle can be repaired to increase the spring force.

Generally speaking, when the vehicle starts, the engine speed will reach about 1200- 1500 rpm, which is because it is easy to stall because of the low speed at the start; When the engine works normally, the engine speed will drop, generally around 800 rpm; When shifting gears, generally shift gears around 2000-2500 rpm. At other times, as long as the engine speed is not too low or too high, never stay in the red danger zone for a long time, which will cause damage to the power components.