Throttle body question
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Joined: Feb 2013
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Throttle body question
I have a question about the throttle body in these trucks. I was installing my K&N MAI in my truck and I noticed that the throttle body doesnt close all the way. the valve doesnt close all the way, it has a space around the top and bottum of it. All the other throttle body's I have seen the valve has been completely closed. Is that normal or do i have a defective throttle body? Would this cause bad gas millage?
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Lead Driver
Joined: Dec 2012
Posts: 7,877
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From: Tennessee
Totally normal , engine off for the throttle to be partially open . It is spring loaded aginst the electric motor .Nothing to worry about . That is the default position . In case of failure the engine will still run , allowing you to still have power steering and brakes , and hopefully limp to the side of the road .
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