Engine sprag

I just joined your friends, I need your help, my car 206plus diesel 1.4 2011 model is progressing on normal road, you pulled your gas from the gas and when you press it again, the engine is playing back and forth, it is very obvious in high gear. I would

When there is vibration, is it hot or cold or rainy? does it do when the engine is cold or hot?

It doesn't matter whether it's hot or cold, since the moment I start the car, it is jerky, so there is vibration. Plug 2019-09-21 01:19:25