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Old 05-09-2020, 12:06 PM #1
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Fuel Injector Replacement

Thinking about fuel injectors.. possibly cleaning until I saw a complete set of Denso(Toyota marked boxes) injectors on Ebay for around 60 bucks for a complete set. They are brown injectors(I personally dont know the color of my originals). What are your thoughts? At that price, it seems too good to be true.

set of 6 Genuine Denso fuel injector for Toyota Tacoma Tundra 4Runner V6 3.4L | eBay
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Old 05-09-2020, 12:31 PM #2
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Quote:
Originally Posted by 024rnrSport View Post
Thinking about fuel injectors.. possibly cleaning until I saw a complete set of Denso(Toyota marked boxes) injectors on Ebay for around 60 bucks for a complete set. They are brown injectors(I personally dont know the color of my originals). What are your thoughts? At that price, it seems too good to be true.

set of 6 Genuine Denso fuel injector for Toyota Tacoma Tundra 4Runner V6 3.4L | eBay
Beware of ebay for "genuine/OEM" parts. The majority of them are counterfeits. Use at your own risk!
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Old 05-09-2020, 12:36 PM #3
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Brown is the color of the originals, id be skeptical, i went with a new set from motorwest performance for 200 and change. IMO better to be safe then sorry especially with what could happen if one of those were to fail

Denso Fuel Injector Upgrade Set for 3.4L V6 4Runner Tacoma and Tundra – HP831 – MotorWest Performance

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Old 05-09-2020, 12:46 PM #4
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Quote:
Originally Posted by Tucson4runner View Post
Brown is the color of the originals, id be skeptical, i went with a new set from motorwest performance for 200 and change. IMO better to be safe then sorry especially with what could happen if one of those were to fail

Denso Fuel Injector Upgrade Set for 3.4L V6 4Runner Tacoma and Tundra HP831 MotorWest Performance

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those are not new....only new to you...they are reconditioned ( rebuilt).........that said....I too went with those rather than cheap copies. I have been running the motorwest ones now for over a year and no issues.

The price has come down since I got mine. and he used to offer a 60 core on the old ones. if so...that brings price down pretty nice
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Old 05-09-2020, 01:19 PM #5
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Sorry, I did mean refurbished, yeah they don't sell new ones

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Old 05-09-2020, 01:26 PM #6
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I cleaned and rebuilt my own. You can buy the rebuild kit for them.


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Old 05-09-2020, 03:15 PM #7
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Quote:
Originally Posted by 024rnrSport View Post
Thinking about fuel injectors.. possibly cleaning until I saw a complete set of Denso(Toyota marked boxes) injectors on Ebay for around 60 bucks for a complete set. They are brown injectors(I personally dont know the color of my originals). What are your thoughts? At that price, it seems too good to be true.

set of 6 Genuine Denso fuel injector for Toyota Tacoma Tundra 4Runner V6 3.4L | eBay
Quote:
Originally Posted by Bad Luck View Post
Beware of ebay for "genuine/OEM" parts. The majority of them are counterfeits. Use at your own risk!
Quote:
Originally Posted by Tucson4runner View Post
Brown is the color of the originals, id be skeptical, i went with a new set from motorwest performance for 200 and change. IMO better to be safe then sorry especially with what could happen if one of those were to fail

Denso Fuel Injector Upgrade Set for 3.4L V6 4Runner Tacoma and Tundra HP831 MotorWest Performance

Sent from my SM-N975U using Tapatalk
Like others have stated, don't go for the ebay/amazon because of the price. Both sets that I bought from there leaked causing hesitation and backfire issues. Thank god they were cheap enough to replace twice though.

I too went to motowest (purchasing the newer grey denso's)-well worth it.
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Old 05-09-2020, 05:11 PM #8
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Quote:
Originally Posted by Tucson4runner View Post
Brown is the color of the originals, id be skeptical, i went with a new set from motorwest performance for 200 and change. IMO better to be safe then sorry especially with what could happen if one of those were to fail

Denso Fuel Injector Upgrade Set for 3.4L V6 4Runner Tacoma and Tundra HP831 MotorWest Performance

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Did same as above in mine after having issues post supercharger. If you are going to do that much work spend the extra money imo ....
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Old 05-09-2020, 08:01 PM #9
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Post 204 starts the injector rebuild. I thought I posted the kit I bought. Sadly I didnt.

I should have the info somewhere.

It was easy.


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Old 05-09-2020, 08:18 PM #10
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I cleaned and rebuilt a set of the brown ones. It didnt smooth out my engine.

I sent a set of the grey to Motorwest to be cleaned and flow matched. ($120) Engine now purrs smoothly.

If I had to do it again Id just buy the $200 reconditioned upgrade set from Motorwest and be done with it.

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Old 05-09-2020, 08:57 PM #11
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Sorry, I did mean refurbished, yeah they don't sell new ones

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But, Martin Diaz, the owner of Motorwest Performance in Southern California offers a lifetime warranty on these Denso injectors. So, it's a pretty safe investment. I've met Martin in person and have corresponded with him many times via phone and email. I can say he's a solid dude and stands behind his products.

The reason why they now sell the Denso injectors and don't refurbish the Aisin OEM injectors anymore is because they noticed internal solenoid defect with them and didn't want to give their customers back injectors that could fail. Martin has total confidence in the Denso injectors and I guess that's why he's offering a lifetime warranty on them.

For those that are interested, here's a video of us swapping injectors on a 3.4 liter V6 in a 1st Gen Tacoma.

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Old 05-09-2020, 10:09 PM #12
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My daughter's 96 3.4 is throwing P0301 code. She has replaced spark plugs and coils/wires-Amazon. Still getting code, runs poorly. I tried the screwdriver listen test and heard injector clicking. Rig has over 200k miles. Not sure if I should just replace the injector or all. Compression has not been checked. Her boyfriend has done the work up to this point. What are the thoughts on the MotorWest vs having the originals gone through by WitchHunter? WH is less than 50 miles away from me.
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Old 05-09-2020, 10:19 PM #13
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Quote:
Originally Posted by mtbtim View Post

For those that are interested, here's a video of us swapping injectors on a 3.4 liter V6 in a 1st Gen Tacoma.



Used this when I did my injectors on Friday. You guys made it so much easier for me! Knew exactly what I needed and where I was going. Thanks!

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Old 05-09-2020, 10:56 PM #14
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Awesome information. Really appreciated. $200 is still reasonable and it's nice to know it will be well spent.
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Old 05-10-2020, 12:30 AM #15
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Which hunter had a considerable lead time on injector service. Thats why I sent mine to Motorwest, their lead time was half of the other outfits, that and they answer the phone and e-mail, and are a few bucks a cheaper.

Easy choice to ship south.
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