[bakerboys]

have a 1993 gmc jimmy

It idles real rough untill warmed up then it runs better but no service engine light is on still does not have a lot of power but i am use to v8 but my sons 4.0 cherokee has alot more power it has 4.3 vortec
while driving down road it runs fine just idles bad until warmed up any help is great thanks