2001 Chevrolet S10 Q&A

2001 Chevrolet S10 Question: traveling at normal speeds engine misses, but when idle or pass it run smooth.

replace plugs, wires, gas filter and use gas treatment -
Answer 1
do u have a ck eng light on? if so have codes scanned at auto zone for free and post so we can adv -
Comment 1
no ck eng light -
Comment 2
have someone scan fuel trim poss inj issue -