what is the problem ???

my friends, my 307 sole, the problem started, I am pressing the gas slowly, the speed is higher than the cycle, when it is 2000, I get 3000 cycles, but when I do not play on the accelerator pedal, this happens when I get out of the gas, my foot is gone constantly, it gives off the gas, it is not a problem but it stops itself. what is the problem :???

Is there a problem with the first run? Is there a problem with stopping while idling?

No problem, when I run it, the sound is not very solid.

this problem happened in my cousin's car 1.7 renault flash vehicle was suddenly popping up

but in my car there is no lpg.

Idle idler .... nothing else, I guess