OK! guys, I have a 94 yukon,FI 350,every so often I get a little miss at the lights or when idling,I've changed plugs and wires,I did notice #4 was carbined
up, it was running great,went out of town to see grandkids,and now when I acccelerate slowly it misses,until OD kicks in or I have to step on it,it sort of feels like a plug wire jumping or arcking,I've had them hook it the machine and they tell me it's OK,could it be a fuel problem or does it sound more like an electrical problem?I was planning on going to get the el camino this week end, but there is no way this will pull a trailer,any help will be be helpful before
I pull all my hair(gray)