Bill usn-1

Hello. I have been reading through several pages of forums trying to find a problem I am having with a 94 350 tbi engine. The one I just got done with was a guy named "gripper". You seem very knowledgeable on these and I wanted to see if you could lead me in the right direction? I have a miss/rough run problem at idle but seems to run fine at higher rpm's. My email is semocoachworks@yahoo.com or I can post a thread, whichever is easier. Thank you for any help now or in the future!