Throttle body sounds as if its choking when i press on the gas like there is a v

What is your question?

Ford expedition when I accelerate the throttle body sounds as off it's choking and when I let off the gas it sounds like a slow airleeak fading away only happens in drive not in neutral could it be a vacuum leak please help it's costing me lots of gas money I don't have

What makes this problem better or worse?

Nothing

How long has your 1999 Ford Expedition had this problem?

Since I cleaned the IAC VAalve