have 2007 h3 its stalls 7 out of 10 times at stop lights . on 2007 Hummer H3

I just changed plugs and wires , oil change an air filter, any ideas ?

by in Chesterland, OH on December 19, 2012
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2 answers
ANSWER by , December 20, 2012
is your ck eng light on? if so scan codes and post so we can adv
ANSWER by , December 20, 2012
have it scan tested for codes