3.4 Swaps The 3.4 V6 Toyota engine

1990 2 Door 3.4 Swap

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Old 02-03-2012, 08:54 PM
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on the 3.4 evap box theres a vac hose that went to the intake. You are missing that as you are running the 3.0 evap.
Old 02-04-2012, 12:35 AM
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Originally Posted by vital22re
on the 3.4 evap box theres a vac hose that went to the intake. You are missing that as you are running the 3.0 evap.
Ah yes! That's right lol. I guess I'll just plug it up. Thanks for that, I was so lost that night....hahahahaha
Old 02-05-2012, 04:43 PM
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Last of the swap pics....

Made a simple bracket to brace the overflow.....22year old plastic will crack sooner or later.









Fused lines (alt: 100 amps, Fusebox: 80 amps)





Secured all lines near the exhaust with some header wrap....





And the relocated fuel lines.....


Old 02-05-2012, 04:48 PM
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So the swap is done!!!! yay me!!!! (With the exception of the exhaust)....




Turned key









and....

























NO SPARK!!!!




Now I got to figure out where the problem is... I'm thinking I have same problem as Elvota....time to buy a volt meter.
Old 02-05-2012, 05:00 PM
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does it turn over just no spark?
Old 02-05-2012, 05:08 PM
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looks good!! lookin for a radiator for my swap. how does yours look quality wise?
Old 02-05-2012, 05:14 PM
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It feels just like the original. So far no leaks, but that's without any pressure. I won't know till I'm able to run it.
Old 02-05-2012, 05:17 PM
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Originally Posted by Countryhick
does it turn over just no spark?
It cranks well. Just no spark. I'm hoping it's not an ECU problem. I bought this ECU online.....
Old 02-05-2012, 05:21 PM
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what kind of ecu did you buy.
Old 02-05-2012, 05:23 PM
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Same as donor: 1997 T100 2wd

The original ecu was damaged from the crash....


EDIT: Manual...

Last edited by 4x4runr; 02-05-2012 at 05:26 PM.
Old 02-05-2012, 05:27 PM
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well it shouldnt be the ecu problem the t100's dont have a security system like the limited 4runners have. Hmm. I would check all the plugs and wires with the motor first of all check spark there
Old 02-05-2012, 05:29 PM
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or maybe you wired up wrong wires. theres only like 15wires completely that you have to wire up for it to run perfect. i dont have any of the emissions in my truck or a cat i have a o2 sensor is it. No evap box nothing. just for a clean swap.
Old 02-05-2012, 05:30 PM
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That's good news.

New wires and plugs. I'm thinking it's the igniter or the coil packs?
Old 02-05-2012, 05:31 PM
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Originally Posted by Countryhick
or maybe you wired up wrong wires. theres only like 15wires completely that you have to wire up for it to run perfect. i dont have any of the emissions in my truck or a cat i have a o2 sensor is it. No evap box nothing. just for a clean swap.
I'm using the ORS harness so everything is just a plug and play deal... or so I thing
Old 02-05-2012, 05:33 PM
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Yeah just get a tester and make sure u have power to all plugs and all coil packs and check power to your main power of your igniter. Have u gone to toyota and got both wiring diagrams for ur motor and for your cab.
Old 02-05-2012, 05:35 PM
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oh there u go i did my own wiring and made a complete plug n play same thing as you. Just mine didnt cost anything i had all tools and only took 2hours to do complete wiring and clean up swap.
Old 02-05-2012, 05:39 PM
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Originally Posted by Countryhick
Yeah just get a tester and make sure u have power to all plugs and all coil packs and check power to your main power of your igniter. Have u gone to toyota and got both wiring diagrams for ur motor and for your cab.
I have a chilton's for both vehicles. I haven't gone over them yet but definitely will tonight.

If I installed my Ultra Gauge for the OBDII scanner will that tell me anything even if the vehicle is off?

Link to Ultra Gauge :http://www.ultra-gauge.com/ultragauge/index.htm
Old 02-05-2012, 05:41 PM
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Originally Posted by Countryhick
oh there u go i did my own wiring and made a complete plug n play same thing as you. Just mine didnt cost anything i had all tools and only took 2hours to do complete wiring and clean up swap.
LOL dang hours?! that's awesome
Old 02-05-2012, 05:42 PM
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Your truck will need to be ran i believe for those to work because it tells you whats going wrong with the truck not sure if it will with the truck not turning on. Might also be a fuel issue that its not getting fuel to turn over unless you can smell the fuel.

I would also check your igniter. It it was in a wrecked truck hopefully the igniter got no water in it. go through all your fuses that start your truck too because maybe you shorted something doing swap. you never know. smallest things can be the worst lol
Old 02-05-2012, 05:52 PM
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Thanks! I know all about the smallest things being the worst. Couple years ago, my dad and I were trying to figure out why my runner wouldn't start (same issue...go figure) took us hours only to find out it was an efi fuse in the fuse block..... which I checked....so I thought.


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