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Throttle Body Vacuum Lines

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10+ Year Contributor
1,073
1
Sep 2, 2012
Findlay, Ohio
I have been taking my throttle body on and off for the past day or so to try and resolve some leak issues, and I was wondering does it matter which hose gets plugged into where on the top of the throttle body, the 4 nozzles. I've been trying to keep it the way it was and I might have gotten it mixed up by now. Could this be contributing to my car running like crap?
 
Possibly. Follow the diagram:

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I just have mine capped off and zip tied. It runs fine, but perhaps can run better? Not sure, haven't tried switching/mixing it up.
 
I just have mine capped off and zip tied. It runs fine, but perhaps can run better? Not sure, haven't tried switching/mixing it up.

Did you just cap them off without blocking off the egr & removing the other emissions?
 
I removed all of mine. Blocked of the egr and tore everything out. So nice and runs great.
 
Any horsepower advantages to this? I might do this after I get all of my boost leaks worked out
 
Any horsepower advantages to this? I might do this after I get all of my boost leaks worked out

No hp gain. Just helps clean up the bay a bit (no emissions and less lines) & smaller chance of having a boost/vacuum leaks.
 
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