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Re: Pre 3.4 Swap Questions [Re: yotaman7] #921537
12/23/08 05:40 AM
12/23/08 05:40 AM
kewlynx  Offline
Toyota & Classifieds Moderator
Joined: Oct 2002
Posts: 15,887
Fairbanks, Alaska *****
FSM = factory service manual.


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
From the Off-Road World
Re: Pre 3.4 Swap Questions [Re: kewlynx] #921538
12/23/08 05:46 AM
12/23/08 05:46 AM
yotaman7  Offline OP
Wheeler
Joined: Sep 2005
Posts: 141
N. KY
I got that, I was refering to the EWD's from www.techinfo.toyota.com

Just wondering if people were satisfied with these diagrams. Thanks


"4X4 in upper case is $X$" Quoted from http://4crawler.com/4Runner.shtml
'00 tacoma 4WD---Sold to Toyota
'93 pickup 2WD
'85 pickup 4WD

Re: Pre 3.4 Swap Questions [Re: yotaman7] #921539
12/23/08 07:04 AM
12/23/08 07:04 AM
kewlynx  Offline
Toyota & Classifieds Moderator
Joined: Oct 2002
Posts: 15,887
Fairbanks, Alaska *****
Yep, have them for my Runner and the roomdawg's Corolla.
Beats the dogsnot out of paying $120 or more. Once I downloaded stuff and organized it, put a copy on a jump drive. <img src="/forums/images/graemlins/cheers.gif" alt="" />

Give the TSB's a cursory look too, so you can make sure if there were any modifications along the way that you can incorporate them into your efforts. Just a thought.


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Re: Pre 3.4 Swap Questions [Re: kewlynx] #921540
12/23/08 02:41 PM
12/23/08 02:41 PM
G
Greg_Canada  Offline
Roll Me Over
Joined: Aug 2003
Posts: 2,854
Toronto, Canada
NO you cant, in 99' toyota started using an AFR sensor and not o2 sensors.
Also, the Throttle body changed from a 3-wire to 5-wire somewhere in those years.
Also, the MAF's are different from before and after 99'.
ALso, pre-00 taco's had EGR.
So basically, when you get the harness, you have to get all the sensors from it. You can get a 96-04 harness, but you have to get EVERY sensor with it to make it work right, and just use what you have now as a long block.
Good luck.


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
Re: Pre 3.4 Swap Questions [Re: Greg_Canada] #921541
12/24/08 04:20 AM
12/24/08 04:20 AM
kewlynx  Offline
Toyota & Classifieds Moderator
Joined: Oct 2002
Posts: 15,887
Fairbanks, Alaska *****
That's cool. FWIW, my '99 4R still has its 02 sensors, but is a 2.7 mill.

As we'd mentioned in the swap article, the more complete the donor, the better off you'll be. That said, if you find a good donor, make DANG SURE you get the VIN while you're pulling parts to make your reverse parts research goes a little easier. <img src="/forums/images/graemlins/cheers.gif" alt="" />


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Re: Pre 3.4 Swap Questions [Re: kewlynx] #921542
12/24/08 05:11 AM
12/24/08 05:11 AM
CJM  Offline
Body Damage is Cool
Joined: Sep 2003
Posts: 1,856
Penticton BC
My 00 4runner 3.4L has 2 O2's ....


86 4x4 , fiberglass bed , 1/2 doors , hood, etc..
84 Custom 2WD 400HP supra suspension , full frame
83 Trekker SR5
NEW Trekker forum
Re: Pre 3.4 Swap Questions [Re: CJM] #921543
12/24/08 06:48 AM
12/24/08 06:48 AM
G
Greg_Canada  Offline
Roll Me Over
Joined: Aug 2003
Posts: 2,854
Toronto, Canada
NO, you guys don't know what i mean.
They look the same physically, but mechanically, the pre-99 uses an o2 sensor (narrow band) where the 99 and up uses an AFR sensor (wide band).
Basically, the AFR sensor is more accurate.
An o2 sensor is most accurate when closest to 14.7:1 (stoich) but the afr sensor is more accurate than the o2 sensor when it's heading away from stoich (say 12 or 13:1) thus making the two systems uncompatible (as well as the computers).


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
Re: Pre 3.4 Swap Questions [Re: Greg_Canada] #921544
12/24/08 06:56 AM
12/24/08 06:56 AM
kewlynx  Offline
Toyota & Classifieds Moderator
Joined: Oct 2002
Posts: 15,887
Fairbanks, Alaska *****
So which one would be the AFR if it's in the same place as the 02 sensors? Got a reference? That would be a good read.


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Re: Pre 3.4 Swap Questions [Re: kewlynx] #921545
12/24/08 07:03 AM
12/24/08 07:03 AM
G
Greg_Canada  Offline
Roll Me Over
Joined: Aug 2003
Posts: 2,854
Toronto, Canada
Pre-cat is def AFR.
I'm not sure of the 2.7, but the 3.4 def. used this.
Lets see if i can dig up the info (got it from Gadget @ URD)
OK here is some random info about the differences
http://hhogear.com/index.php?page=what-do-i-need-to-know-about-my-oxygen-sensor
Ok here is a little explanation from gadget
http://www.customtacos.com/forum/showthread.php?p=569960 (read from post #7 and down)
So yeah, might be all yota's 99 and newer with AFR's... dunno 100% tho...


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
Re: Pre 3.4 Swap Questions [Re: Greg_Canada] #921546
12/24/08 07:13 AM
12/24/08 07:13 AM
kewlynx  Offline
Toyota & Classifieds Moderator
Joined: Oct 2002
Posts: 15,887
Fairbanks, Alaska *****
I did see that URD has an AFR calibrator on their site, so that's rather interesting. Another site where I see these being discussed is www.fuel-saver.org

I just picked up an Actron OBDII tester last weekend; might fire up the CD and see if there are any code trees for the AFR vs 02, or both.

Thanks for the linkys. Never hurts to have that stuff around. I've still got a lot to learn with these new gen mills! <img src="/forums/images/graemlins/baby.gif" alt="" />

Sorry if we're goin' a little off track, Yotaman!! <img src="/forums/images/graemlins/cheers.gif" alt="" />


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Page 2 of 3 1 2 3

Moderated by  4Crawler, kewlynx 

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