Car having rough idling and acceleration problems?

Okay I need advice. I drive 2004 Ford taurus ses with dual over head cam 3.0 litre. I have been experiencing extremely rough idling and acceleration. There has been a noise coming from near the intake that sounds like a vacuum. The noise only shows up after driving for at minimum 4 miles however the noise goes away when accelerating. I have replaced both the EGR Valve and the IAC valve neither have fixed my problem. I do not have the money for a mechanic currently. If anyone recognizes this issue please let me know

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