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Unread 08-17-2010, 03:39 PM   #1
SDGBASSE
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1990 YJ Wrangler 
 
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2.5 TBI vacuum diagrams

Just stumbled upon this, I thought it might help someone, someday.<



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[QUOTE=ZeroGravity;10681914]I didn't click the link because it says "power probe" in the url.[/QUOTE]
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Unread 03-22-2011, 10:15 AM   #2
semper fi
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Hope it's not too late...but

THANKS! Been looking for this!
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Unread 04-03-2012, 10:27 AM   #3
tbramich
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i forgot to ad i also swapped the o2 sensor because it was running right. not running as right now but still high idle. looks like my vacuum lines dont match above, going to start moving them... i have the airbox off for ease of getting around, think that will effect it?
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Unread 04-03-2012, 10:35 AM   #4
tbramich
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OH and THANK YOU!!
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Unread 04-03-2012, 12:05 PM   #5
Que89YJ
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It shouldn't matter. Nice post SDGBASE.
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Unread 04-03-2012, 03:04 PM   #6
tbramich
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cant figure out what these 2 lines should be connected to...
vac-1.jpg   vac-2.jpg  
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Unread 04-03-2012, 03:45 PM   #7
SDGBASSE
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That's an easy one, they connect together, it's for the CAD system:



image-965603249.jpg



image-2346919514.jpg
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[QUOTE=ZeroGravity;10681914]I didn't click the link because it says "power probe" in the url.[/QUOTE]
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Unread 04-03-2012, 04:08 PM   #8
tbramich
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that didnt look like an option but ill try it now, thanks
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Unread 06-11-2012, 08:33 PM   #9
Bretts88
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at the bottom of the diagram where the EGR/Solenoid Canister is (for the YJ), what if anything is supposed to be plugged into the end marked with an F? Mine doesn't have anything there and is making a whistling/whining sound. A guy thought he was doing me a favor by butchering all of my vacuum lines and plugging what he deemed unnecessary. I think he was attempting the Nutter bypass. Attempting being the key word, lol
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