04 vacuum hose routing

There are two connections on the air box; one to the flapper valve, one to the vacuum sensor on the back of the airbox- the one held on by the screw... The one in the middle should go there...
 
i have a very big loss of power and all i did was take the air box off and the radiator, exhaust and oil cooler off.
 
i have a very big loss of power and all i did was take the air box off and the radiator, exhaust and oil cooler off.

Why did you take all that off was there something wrong? Did you take the entire exhaust off (headers and all)? Do you have an exhaust leak?
 
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