206 idling problem !!!

Have a good day friends 2004 206 when I press the gas in my LPG vehicle, the idle falls and rises slightly, the vehicle does shake slightly, but it does not happen when I give a little gas, sometimes it is the spark plug and the throttle was just fresh, sometimes it falls to 0 when I cut the gas and then it collects itself. vehicle.Thanks in advance. (engine not doing when cold) Bysekowest 2014-06-04 21:23:36

It may be a map sensor, it may be a manifold in the manifold, the throat butterfly can sometimes be insufficient, a new one may be necessary, there may be a problem in the brain, there may be many things, it is most reasonable to try it from cheap to expensive, to connect it to the device and see it.