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Harry 6674 · 01-03-2008, 06:12 PM

The fast idle control lets additional air in down stream from the throttle body. The MAP tells the computer to turn up the fuel. More air = more cfm that isn't controlled by the throttle body.

01-03-2008, 06:12 PM	#91
Harry 6674 Senior Member Join Date: Dec 2006 Posts: 589 Likes: 0 Liked 0 Times in 0 Posts	Re: Dommination of FI cars. The fast idle control lets additional air in down stream from the throttle body. The MAP tells the computer to turn up the fuel. More air = more cfm that isn't controlled by the throttle body.