no power on low rpm, 500-600 rpm in neutral gear

[EvilPanda]

hi guys , i got problem with my 1.2 16 v clio mk2 face lift. it starts fine, when the engine is cold drives nice (cold engine 1000-1300rpm), but just got wormed up, rpm go down to 500-600 rpm and if u would like to start move in 1st gear, it fells like the engine engine will stall, when changing the gears from second to 3rd fells like no power for a second and then again everything ok. had glow pug light on for 15min, but now its off.
is there actually same idle control valve causing this problem to me ?
regards,
EvilPanda
P.S sorry for grammar

 

[da rok]

my engine also idles at ur mentioned values, cant pull off in a hurry unless u give it some gas, on some engines there is a idle adjustment, most times its controlled by the computer though, mabe get it plugged in and c what fualts come up