allabs5150
New member
Hey guys just put a motorcraft 2100 carb on my 4.2 1987 YJ leeps 7 bounds better then the stocker & the webber i previously was running mu only issue is at times it seems to want to idle around 1400-1500 rpm & other times it idles perfect arout 750-800 rpm can anyone shed any light on what may be causing this?
