why do my jeep run like shit when you drive it it jumps dont want to take the ga on 1997 Jeep Wrangler

it runs fine when it setts an run but u put it in gear an drive it it want take the gas an it backfires an it spites sputers an jump an hadit on a computor to see what it is an no luck so i would lie some help in findeing out what i need to do

by in Potwin, KS on April 22, 2013
1 answer 1 comment
ANSWER by on April 22, 2013
scan codes and post so we can adv
COMMENT by on April 22, 2013
here are the codes that where in it today po123 02 htr comp fuel an misfire