My Nissan Altima give a noticeable jerky motion while running at speed between 20 to 40 kmph.
When ever the car slows down from higher speed while in traffic, the car give a noticeable
jerky / vibration at speed between 20 Kmph and 40 Kmph. Similar jerky / vibration is
observed while gaining speed. All this.not observed when car starts from zero speed