307 first stop problem

Selamun aleykum
My friends 2002 petrol lpg manual 307 car starts to fluctuate without falling, sometimes when the first start, the idle fluctuates and stops, when it does not stop, the idle fluctuates even when I want to move, it stops, when I want to accelerate and accelerate while traveling on the road, why is the coil new? , throat cleared, no trouble on long road or stop get off I would be glad only if you can help present stop problem at first start dağdelen34 2016-09-09 00:17:49

First of all, if the spark plugs have not changed. lpg transition temperature control - lpg heat sensor - map sensor and regulator (brain) control as the problem is probably related to lpg. My last petrol pump control teacher, of course, before doing this, the worm injector cleaner additive put it in the tank.

I hope I can handle it with würt, thanks