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Where does this hose go?

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Old Oct 21, 2025 | 10:17 PM
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Where does this hose go?

I have a new to me 2005 F-250 5.4 and can't figure out where this vacuum hose goes? It T's off of the brake booster, goes under the back of the intake manifolds and comes out on the passenger side of the engine and then ??? I can't find a decent vacuum diagram showing a 5.4 in a F250. Any thoughts are appreciated. Thanks

https://i.postimg.cc/bJMV89nv/7770.jpg

https://i.postimg.cc/C5gDjZTC/7772.jpg
 
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Old Oct 22, 2025 | 11:16 AM
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This is the only diagram that shows any vacuum hoses. My guess is it goes somewhere on the back of the intake or throttle body.

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