3.4 Swaps The 3.4 V6 Toyota engine

Evap/return line routing... major gas leak

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Old 12-20-2009, 04:46 PM
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Evap/return line routing... major gas leak

I know this is posted somewhere and I remember a good picture with a diagram that someone did for the EVAP hose routing, but cant seem to find it. I think it was simply a picture of the EVAP and text done in MS Paint or something. Anyway, after many months of work/research I got my 1985 22R to 3.4 swap to start and run, but i left a line out which i think its my return.

What line is this, to my return line? its on the driver side of the engine and the line is about 6" (its the one I'm holding..) the one above it i have run to my EVAP box.
Attached Thumbnails Evap/return line routing... major gas leak-gasline.jpg  
Old 12-20-2009, 06:23 PM
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Check the sticky above by Evoltra. There is a good diagram for the evap there.

here is for a 97 Runner if you are using that system.





Post if you need something else and I'll post it if I have it. Good Luck
Old 12-20-2009, 07:40 PM
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that looks like the fuel return line. trace it back and see if it goes here. If so, then that is what it is. Sorry for the blurry pic, but it should work for ya
Old 12-20-2009, 08:01 PM
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ok, thanks. I just over looked it (big time) and figured it was the return line. If anyone else knows for sure I would appreciate it. I think my evap is otherwise hooked up correctly.

EDIT: That picture looks to be on the back side of the engine. I will trace it back like you said and see if that is it. However, it looks with its routed differently.

Last edited by TatonkaII; 12-20-2009 at 08:03 PM.
Old 12-21-2009, 07:14 AM
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yes, that is the back of motor but i think that the hose you are holding comes from here is why I put this shot up
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