11-15-2021, 08:17 PM
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#1
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Join Date: Nov 2016
Location: Annapolis
Posts: 34
Real Name: Scott
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Member
Join Date: Nov 2016
Location: Annapolis
Posts: 34
Real Name: Scott
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Fuel injectors Motor West Performance
99 Limited with 275k
Got another random misfire this time P0305, I’m going to suspect it’s another fuel injector going bad. Yes I’ve gone through this on the #2 cylinder, 3k miles ago. I have new plugs and wires. All Fuel injectors where cleaned and flow tested good. However one injector was bad at that time.
Has anybody use this company to replace all 6 fuel injectors. Timmy the tool man has used them.
Denso Fuel Injector Upgrade Set for 3.4L V6 4Runner Tacoma and Tundra – HP831 – MotorWest Performance

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11-15-2021, 10:02 PM
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#2
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Senior Member
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Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
Posts: 3,291
Real Name: 3 Bears
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Senior Member
Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
Posts: 3,291
Real Name: 3 Bears
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i have used them and have no complaints. Actually getting ready to send them another set for a different 4runner to get serviced. I see now they offer a high performance injector replacement with no core charge. I do not know what they are or if they help our rigs at all. would be interested to know
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2000 SR-5 Highlander version 4:30's, factory locker , green, bought 6/21
2001 SR-5... bought 11/20..sold 6/21....
2000 SR-5 moded, lifted, e locker, other cool stuff, totaled 10/20
2002 tundra ac v8 4wd
1969 kharmann ghia
Last edited by 3bears; 11-15-2021 at 10:08 PM.
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11-15-2021, 11:07 PM
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#3
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Join Date: Jan 2019
Location: Southwest PA
Posts: 623
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Join Date: Jan 2019
Location: Southwest PA
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I have that set in mine, very happy with them
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11-15-2021, 11:39 PM
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#4
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Senior Member
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Join Date: Oct 2016
Location: Atlanta
Posts: 2,308
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Senior Member
Join Date: Oct 2016
Location: Atlanta
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Check out Osidetiger. They have upgraded fuel injectors that are reasonably priced. I have a set in my 88 4Runner and am planning to install some in my 99 soon.
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11-16-2021, 01:03 AM
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#5
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Join Date: Jan 2014
Location: Hawaii
Posts: 342
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Join Date: Jan 2014
Location: Hawaii
Posts: 342
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I went through them for a set when I was getting a misfire.
They have great customer service and was prompt to answer any questions I had.
I plan on sending them a set of Bosch injectors out of my Mustang for cleaning.
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11-16-2021, 10:06 PM
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#6
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Join Date: Jan 2021
Location: Idaho
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Dumb question, but why not just replace with Toyota new injectors? Is it cost?
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99’ Black “Highlander” sport, oak, 5VZ auto, 4.30 axle, e-lock, 265/75 Grabber X3,, Bilstein 6112 (2”) front 5160 rear shocks, OME 2906 springs, Durobumps, 4x Inovations front middle rear skid plates, 4XI square TRD tube sliders, lil skips tank skid, lotus dev RCA skids, overland custom sway bar links, Amp’d hidden winch, warn Vr Evo 10s
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11-16-2021, 10:41 PM
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#7
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Senior Member
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Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
Posts: 3,291
Real Name: 3 Bears
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Senior Member
Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
Posts: 3,291
Real Name: 3 Bears
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Quote:
Originally Posted by Romeo1
Dumb question, but why not just replace with Toyota new injectors? Is it cost?
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yes its the cost. rebuild all 6 for less than the price of 1.5 new from yota
__________________
2000 SR-5 Highlander version 4:30's, factory locker , green, bought 6/21
2001 SR-5... bought 11/20..sold 6/21....
2000 SR-5 moded, lifted, e locker, other cool stuff, totaled 10/20
2002 tundra ac v8 4wd
1969 kharmann ghia
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11-16-2021, 10:42 PM
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#8
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Join Date: Sep 2020
Location: Ohio
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Quote:
Originally Posted by Romeo1
Dumb question, but why not just replace with Toyota new injectors? Is it cost?
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Around $150-200 a piece depending on location.
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2000 4Runner Limited 4x4 V6
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11-16-2021, 11:00 PM
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#9
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Senior Member
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Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
Posts: 3,291
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Senior Member
Join Date: May 2015
Location: north east of Fairbank out there in the frontiers Alaska
Posts: 3,291
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so not meaning to hijack this thread....is related...what exactly is the "upgrade"
that motorwest lists. Going from brown to gray body color ?
on BMW's the upgrade was going from 2 pintle to 4 pintle ( holes for better spray pattern and mix with air). I see in picture of motorwest the upgrade is still a 2 pintle.
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2000 SR-5 Highlander version 4:30's, factory locker , green, bought 6/21
2001 SR-5... bought 11/20..sold 6/21....
2000 SR-5 moded, lifted, e locker, other cool stuff, totaled 10/20
2002 tundra ac v8 4wd
1969 kharmann ghia
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11-16-2021, 11:35 PM
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#10
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Senior Member
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Join Date: Oct 2016
Location: Atlanta
Posts: 2,308
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Senior Member
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Location: Atlanta
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The Osidetiger ones are 12 hole. More holes = faster atomization of fuel = cleaner burn
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11-17-2021, 09:54 AM
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#11
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Elite Member
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Join Date: Aug 2013
Location: Stouchsburg PA
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Elite Member
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It’s not hard rebuilding your own injectors.
A few of us here have done it.
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11-17-2021, 12:48 PM
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#12
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Elite Member
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Join Date: Aug 2013
Location: Stouchsburg PA
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Changing the inlet screens.
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02-01-2022, 02:18 PM
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#13
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Junior Member
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Join Date: Feb 2022
Location: Chatsworth, CA
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Real Name: Martin
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Quote:
Originally Posted by 3bears
so not meaning to hijack this thread....is related...what exactly is the "upgrade"
that motorwest lists. Going from brown to gray body color ?
on BMW's the upgrade was going from 2 pintle to 4 pintle ( holes for better spray pattern and mix with air). I see in picture of motorwest the upgrade is still a 2 pintle.
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I know this was posted a while back, but I did want to answer your question, thanks for asking!
The Denso upgrade set we offer is far more reliable in the long run, IF you're going with refurbished injectors (obviously new would be ideal were it not for the insane price of genuine Toyota units). Without going too much into detail, the OEM brown injectors fail at much higher rate than your average injector (this is why you see so many misfire issues in this platform with the 3.4L). The electrical component degrades over time and the injectors die eventually. The issue is there is no way of predicting when that will happen. So if you purchase a set of refurbished brown units, it's quite possible to have one die soon after as you have no idea how many miles are on each of those. The Denso replacements we offer don't have that electrical issue at all. In fact, in the thousands we've refurbished, that's never been an issue, not a single dead injector.
If you still need more clarification, please let us know.
As for the 12 hole units, I'd be careful about running those, they were not designed for the 3.4L intake design.
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02-01-2022, 02:53 PM
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#14
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Elite Member
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Location: Los Angeles
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Real Name: C8H18 Mike
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Quote:
Originally Posted by MotorWest-Perf.
The Denso upgrade set we offer is far more reliable in the long run, IF you're going with refurbished injectors (obviously new would be ideal were it not for the insane price of genuine Toyota units). Without going too much into detail, the OEM brown injectors fail at much higher rate than your average injector (this is why you see so many misfire issues in this platform with the 3.4L). The electrical component degrades over time and the injectors die eventually. The issue is there is no way of predicting when that will happen. So if you purchase a set of refurbished brown units, it's quite possible to have one die soon after as you have no idea how many miles are on each of those. The Denso replacements we offer don't have that electrical issue at all. In fact, in the thousands we've refurbished, that's never been an issue, not a single dead injector.
If you still need more clarification, please let us know.
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I'm looking to proactively service/replace my injectors. Would it make sense to buy the $249 grey set and send my factory injectors in for refurbishing?
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1999 Toyota 4Runner SR5 Sport 4WD, V6 5-Speed e-Locker-> 4WD 4runner Journal Thread
1999 Toyota 4Runner SR5 Un-Sported 2WD, V6 Auto -> 2WD 4runner Journal Thread
1959 Chevy 3100 1/2 Ton Pickup EVERYTHING done 'cept paint and body
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02-06-2022, 04:35 AM
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#15
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Join Date: Mar 2021
Location: Northern Saskatchewan, Canada
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Because they are not currently available in North America... And could wait 'months to years' for them.
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