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

replace plugs, wires, gas filter and use gas treatment

by in Alpine, AL on September 26, 2012
1 answer 3 comments
ANSWER by on September 26, 2012
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 by on September 26, 2012
no ck eng light
COMMENT by on September 26, 2012
have someone scan fuel trim poss inj issue
COMMENT by on September 26, 2012
thanks