Vacuum line on 2004 Chevrolet Monte Carlo

I have been experiencing "bucking" when the car is in motion after idling at a red light for some time. Advanced auto parts suggests this may be the problem-any others had this?

by in Cincinnati, OH on June 06, 2010
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2 answers
ANSWER by , June 07, 2010
Did the auto parts store check for an diagnostic trouble codes stored in the engine control module? If so, what were they? With these codes I could provide better info.
ANSWER by , August 20, 2010
I have a 2004 as well and am having the same issue, I was wondering if you found the problem??