My jeep keeps bucking. on 2002 Jeep Liberty

It only bucks when I stop the jeep at a red light.

by in Edison, NJ on June 16, 2014
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1 answer
ANSWER by , June 16, 2014
Sounds like an idle control problem. Either a dirty IAC valve or a vacuum leak on an air intake hose. Have to find out which. Do you have a check engine light on?