3.4 Swaps The 3.4 V6 Toyota engine

I need 3.4 swap help!

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Old 06-03-2019, 02:32 PM
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I need 3.4 swap help!

Hi there. I'm not super new to this site as I've done lots of research over the years and I always get good info from here. I've been driving Toyota's, and been obsessed with them for years starting with my first 89' 4runner.

I finally have had a 94 runner for two years now and just bought another, complete 95 sr5 runner with a horribly busted 3.0 that I'm replacing with a 3.4 ( something that I've been wanting to do on my 94) but never had another car to drive while doing all that. Plus the 3.0 is still Thankfully running beautifully after hitting 200k. So that's my daily while trying to figure out how the eff I'm going to complete this swap. The 95' runner came with an extra pulled 3.4 motor. Doesn't really have much on it, as the people that pulled it have no idea what 3.4 swaps entail. So no ecu no harness or any extra parts. Practically just the block, and all I know is that it's from a 95 something.

The 4runner is 4x4 manual trans.
I have a 95 t100 3.4 4x4 m/t ecu
I have a 97 3.4 4x4 m/t engine harness.

I have a 97 t100 3.4 2x4 A/T ECU, dash engine and body harness. And whole evap system.

I'm on here to figure out what to do with my life with this whole situation I've got.

I just pulled the 97 a/t stuff because I got an unbelievable deal on it. And I'm hoping I can just use all of that minus engine harness, and bypass the a/t parking, and wondering if the 2x4 is going to be a problem? I have everything and I mean EVERYTHING from TIS I need now from the 95 4runner, and 97 t100 everything. Wiring and repair stuff. It took me two days to get practically everything downloaded.

I feel like with everything I have I should be able to make it work. I'm all about repinning a/t to m/t engine harness..

I just need help identifying my engine, because I've been told it could be the non obd2 with egr. I am pretty positive about it having egr. But how do you know if it has. Obd2 just by looking at it? I have the engine code but don't know what to do from there. No idea of donor VIN or have any info whatsoever. All I know is that it's a 95 from SOMETHING. but I assume it's a 95 t100 because a friend told me they didn't make tacos that year and I'm not sure about runners having 3.4 that year. I know I probably looked over that when I was in TIS but can't remember right now

Okay I'm done for now. Lol

As you can see I've got a lot of work to do but I am extremely mechanically inclined and the only issue I'm going to be having is getting this wiring right. I really want the obd2

Can anyone halp please!? Haha. I stopped drinking about a year ago and have picked up pretty much full time wrenching in my spare time. I've got a driveway and house so I'm in no hurry. I just want to get this thing on the road before my 94 3.0 blows up on me!

Mostly just on here to get some tips and help with the swap. I'm pretty smart and know I will figure it out. But I've got no other friends who know anything about wrenching or swapping an engine. I have pictures I can add when I get home too.

I have been doing ALL the research. But just stuck on a few things. Before I start anything else.

thanks in advance.

Sorry I've repeated a lot.
Old 07-25-2019, 01:02 PM
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NO one replied since Jun 3rd?
The 97T100 ECU might not work if it's original engine is a 4 wire TB. The 95 T100 has 3 wire TB sensor.
I used 96 ECU from a 2wd pickup. Same thing minus the 4wd light thing.
I'm even in Commiefornia, passed ref and smog.
Old 07-25-2019, 01:12 PM
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Originally Posted by anthony1
NO one replied since Jun 3rd?
The 97T100 ECU might not work if it's original engine is a 4 wire TB. The 95 T100 has 3 wire TB sensor.
I used 96 ECU from a 2wd pickup. Same thing minus the 4wd light thing.
I'm even in Commiefornia, passed ref and smog.

Thanks for the info bud!
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