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Improving fuel economy?? Any hints?

Discussion in '1st Gen Tundras (2000-2006)' started by 03TundraWA, Feb 12, 2020.

  1. Feb 13, 2020 at 1:18 PM
    #61
    15whtrd

    15whtrd Mr. Blonde

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    I am still wanting to get 12 hole fuel injectors for my Sequoia. I’ve read good things like better all-around drivability, a little more power and better fuel atomizing leading to possible better mileage.
     
    Rex Kramer likes this.
  2. Feb 13, 2020 at 2:32 PM
    #62
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Don’t do it for mpg improvement.

    What I have experienced personally is a little more torque at low and mid throttle. Better pedal action on the low side. I can feel downshifts now where before it was like freewheeling in neutral to a stop. Not earth shattering changes, but modest improvements for sure. I did mine just so I could see if my original injectors were clogged. The 12 ports were less expensive than paying/taking the originals out and having them properly sonic cleaned and rebuilt with a two day wait.

    Watching those youtubes atomization comparison videos is impressive. Tingles the taint.
     
  3. Feb 13, 2020 at 2:35 PM
    #63
    DSTundra

    DSTundra New Member

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    We're also a Tundra / RAV4 family... Added a Pedal Commander to my wife's 2019 RAV4 and now it's REALLY fun.
     
    BravoDeltaRomeo likes this.
  4. Feb 13, 2020 at 2:37 PM
    #64
    15whtrd

    15whtrd Mr. Blonde

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    No, I definitely wouldn’t be doing it just for MPG‘s. Just figured, it’s an added bonus if you’re getting slightly better mpg‘s if you can keep your foot out of it. I would be doing it for the slight performance gain along with the fact that the truck has 160K on it.
     
  5. Feb 13, 2020 at 2:42 PM
    #65
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Based on your input, then you will be happy. The ECU meters the same amount of gas 4 vs 12 port injector. Its just that the atomization is better with 12 port and does change the action of the engine (slightly). Its a fun one day project. Just make sure you keep track of the banjo bolt washers during removal. Easy to lose!
     
    revtune and 15whtrd like this.
  6. Feb 13, 2020 at 2:45 PM
    #66
    COMiamiFan

    COMiamiFan SSEM #3. Don't forget to try the search bar.

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  7. Feb 13, 2020 at 2:45 PM
    #67
    15whtrd

    15whtrd Mr. Blonde

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    It will be a while before I could get to something like this. That’s a fun project and an unneeded one for now. The truck runs great. Bigger fish to fry for the next year or so. Hopefully I can get back to fun things like this.
     
  8. Feb 13, 2020 at 2:46 PM
    #68
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    @15whtrd check out my build page for picture and diagramed tutorial on the injector job.
     
  9. Feb 13, 2020 at 2:47 PM
    #69
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    We beat things back to life around here.
     
  10. Feb 13, 2020 at 2:48 PM
    #70
    15whtrd

    15whtrd Mr. Blonde

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    Good Lord, tell me you used the Almighty hand models!
     
  11. Feb 13, 2020 at 2:49 PM
    #71
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    I did. Gloved and protected, as always.
     
    15whtrd likes this.
  12. Feb 13, 2020 at 6:30 PM
    #72
    03TundraWA

    03TundraWA [OP] New Member

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    Thanks for the discussion and yes I agree on being lightfooted on the pedal but it sounds so nice to hear that engine roar!

    I have tried Seafoam and gained a few mpg. Well worth the $10 investment!

    Also agree on alternative vehicles and love Diesels, which provide a good high torque alternative especially for towing.
     
  13. Feb 13, 2020 at 6:47 PM
    #73
    myt1

    myt1 New Member

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    Don’t hate me, but my mpg improved when I started driving slower.

    Sorry.
     
  14. Feb 13, 2020 at 6:49 PM
    #74
    FrenchToasty

    FrenchToasty Desert rat

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    It’s all about the Smiles Per Gallon in my truck. I’m at least getting 17SPG, when I roll down the windows and give it 3/4 throttle, I average about 32SPG
     
  15. Feb 13, 2020 at 6:49 PM
    #75
    AzureNightmare

    AzureNightmare Geek in a Tundra

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    I can't really tell you how to improve the MPG, but I know one of the mods that will be the absolute worst for your MPG.... A BAMuffler System from Dirty Deeds. My mileage has suffered greatly all due to the glorious sound of the exhaust. Makes my foot feel 50 pounds heavier.
     
    Last edited: Feb 13, 2020
  16. Feb 13, 2020 at 7:16 PM
    #76
    TokerJoker

    TokerJoker ΜΟΛΩΝ ΛΑΒΕ

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    None.....yet
    Buy a Prius:thumbsup:



















    And you are most welcome:hattip:
















    Glad that was EZ:rofl::rofl::rofl:
     
  17. Feb 17, 2020 at 6:28 PM
    #77
    wandering_boy

    wandering_boy just lettin life bend me over

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    make sure you have ur stock exhaust on. I took mine off and its just to tempting to romp around listening to its sweet sound
     
  18. Feb 18, 2020 at 7:20 PM
    #78
    tmac58star

    tmac58star New Member

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    Install a vacuum gauge, and learn to drive like Great Aunt Gertie...tortoise slow. Any increase in vacuum means you have the throttle open and you're sucking gas again...no can do in Gertie's book...gotta make a full tank last at least 3 months at these pump prices.
     
  19. Feb 19, 2020 at 5:04 AM
    #79
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Gertie Gertrude!
     
  20. Feb 19, 2020 at 5:07 AM
    #80
    tvpierce

    tvpierce Formerly New Member

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    Fixed it for you. (if my coding worked)
     
  21. Feb 19, 2020 at 5:12 AM
    #81
    cdevonb10

    cdevonb10 New Member

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    I figured I’d give the FF a shot once and once was all it took for me to realize that’s a hard no. It burns a lot faster and you get crap mileage. It took two tanks after I used the FF to get back to my normal mpg.
     
  22. Feb 19, 2020 at 5:15 AM
    #82
    purplenova

    purplenova Not a new member

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    YEP - stay off the loud pedal......:D
     
  23. Feb 19, 2020 at 5:25 AM
    #83
    zombie

    zombie Master at Something

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    If your driven by fuel economy you might end up in a Prius someday. I drive what I want, I like my V8, and it's going to use some gas from point A to point B. Never cared about the in between. I can use cruise control and stay at 60mph and save gas..............but then someone wants to race you up a hill in there little shit box, well so much for saving gas. I'm all for global warming and Palm trees in New England.
     
  24. Feb 19, 2020 at 5:53 AM
    #84
    azTony

    azTony New Member

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    Remove all glass and interior along with removing the tailgate and the entire bed. BOOM! Instantaneous MPG improvement. Your welcome ;-)
     
    Bad Cow likes this.
  25. Feb 19, 2020 at 7:14 AM
    #85
    Stumpjumper

    Stumpjumper New Member

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    Even more so when idling not moving. My MPGs in this case is 0.0. Sitting in a huge traffic jam last week dropped mine from upper 17s to 11.6.
     
    SouthPaw likes this.
  26. Feb 19, 2020 at 7:16 AM
    #86
    Bad Cow

    Bad Cow GOD Bless The USA

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  27. Feb 19, 2020 at 8:51 AM
    #87
    SouthPaw

    SouthPaw The headlight guy

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    My last tank, I got 10mpg. I use the remote start quite a bit so this week, I am only trying to start in ten minutes prior to me leaving to see what kind of difference it makes. I do a combo of city/highway.
     
  28. Feb 19, 2020 at 9:21 AM
    #88
    Rex Kramer

    Rex Kramer bye-bye, Miss American Pie?

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    Buy a used truck for really cheap, spend the money you saved by not buying an expensive new truck on fuel and enjoy the free ride.
     
  29. Feb 19, 2020 at 9:29 AM
    #89
    MTRock

    MTRock 1889

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    Give in!! Lift it and put 35’s on it!!
     
  30. Feb 19, 2020 at 12:40 PM
    #90
    KarmaKannon

    KarmaKannon Master of None

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    Ethanol free fuel, leaving for work an hour earlier (almost no traffic), leaving from work an hour later (less top speed), and doing some seafoam, has given me about 1mpg for the better. I noticed at least .5-.75mpg with only changing to ethanol free fuel and doing the seafoam so that's the biggest bang for the buck.
     
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