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Fuel Gauge Question

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Superdavert, Apr 12, 2012.

  1. Apr 12, 2012 at 8:17 AM
    #1
    Superdavert

    Superdavert [OP] Well-Known Member

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    Is it my imagination, or does the fuel gauge move quicker between 3/4 and 1/4 tank. It just seems like I can sit on full or on a 1/4 tank longer than, let's say a 1/2 tank. Idk. I get 16-18 mpg, so not complaining. I was just wondering if anyone else notices.
     
  2. Apr 12, 2012 at 8:19 AM
    #2
    VolcomTacoma

    VolcomTacoma Well-Known Member

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    No It totally does. it also stays above full for about 40 miles before it drops below the line.
     
  3. Apr 12, 2012 at 8:31 AM
    #3
    FrankNasti

    FrankNasti Well-Known Member

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    Anywhere the Army tells my wife to go.
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    The toddler and baby seat mod.
    I can get 100 miles out of my first quarter, then my gas mileage drops.
     
  4. Apr 12, 2012 at 8:32 AM
    #4
    VolcomTacoma

    VolcomTacoma Well-Known Member

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    I was so excited the other day when I got in the truck and I had a full tank! I was like, wtf??? I had like half a tank earlier...Did i fill it up without realizing it...then I drove down the hill and drove on level ground :*(
     
  5. Apr 12, 2012 at 8:32 AM
    #5
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    How do you figure that ?
     
  6. Apr 12, 2012 at 8:58 AM
    #6
    VolcomTacoma

    VolcomTacoma Well-Known Member

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  7. Apr 12, 2012 at 9:22 AM
    #7
    Superdavert

    Superdavert [OP] Well-Known Member

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    I've gotten 100 miles out of my first quarter tank if gas before. Then it goes down from there.
     
  8. Apr 12, 2012 at 9:26 AM
    #8
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    Thing is , where the quarter mark is on the gauge isn't actually 1/4 of the tank .

    Similar to how you can drive for 30-40 miles below the E mark
     
  9. Apr 12, 2012 at 10:53 AM
    #9
    grhopper

    grhopper Well-Known Member

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  10. Apr 12, 2012 at 10:58 AM
    #10
    VolcomTacoma

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    I sure hope that's spot on, because if i run it to the E line and suddenly my truck is on fumes, I'm gonna be pissed :D
     
  11. Apr 12, 2012 at 11:02 AM
    #11
    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

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    Yes, this^^^^^^........ I can pull 145 miles at 3/4 mark regularly then only 210-240 at half tank then 300-330 at 1/4 mark & usually hittin 370-390 when the light comes on.
     
  12. Apr 12, 2012 at 11:41 AM
    #12
    FrankNasti

    FrankNasti Well-Known Member

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    Anywhere the Army tells my wife to go.
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    The toddler and baby seat mod.
    The tripometer states that I have driven 100 mile with the first quarter of the tank, but I only get 350ish over all. I don't get any worse gas the last 3/4, but the needle spends more time in the first quarter than the other three.
     
  13. Apr 12, 2012 at 11:46 AM
    #13
    Dreamcrusher8307

    Dreamcrusher8307 Member

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    So glad I'm not the only one who has noticed this. I thought I was losing my mind.
     
  14. Apr 12, 2012 at 12:53 PM
    #14
    VolcomTacoma

    VolcomTacoma Well-Known Member

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    I bet if you had a CAI that would throw those numbers off completely.
     
  15. Apr 12, 2012 at 1:13 PM
    #15
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    Why , does it recalibrate the fuel gauge or change the size of the gas tank ?
     
  16. Apr 12, 2012 at 1:18 PM
    #16
    VolcomTacoma

    VolcomTacoma Well-Known Member

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    I'm gonna let Whipper answer this one :D
     
  17. Apr 12, 2012 at 1:30 PM
    #17
    dusman

    dusman Well-Known Member

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    this is normal, on some boats, even modern boats it is direct, so you can literally be on E on a high wave and then 1/2 tank on normal chop, once you hit E on your Taco, you will have at least 30-40 miles, the F mark is really like 20 gallons, but if you really fill it up until the pump stops you are actually at 21.13 gallons
     
  18. Apr 12, 2012 at 1:39 PM
    #18
    Yakattac

    Yakattac Member

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    I can't say for sure on the Tacoma but on my Chevy Blazer this was due to the location of the fuel pump and associated hardware, annoying isn' t it.
     
  19. Apr 12, 2012 at 1:51 PM
    #19
    T@co_Pr3runn3r

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    IMO, the gauge is only in sync with how much gas is in the tank at 2 or maybe 3 points....completely full, completely empty & maybe half a tank. I'm sure that if I refill my tank when the gauge says 3/4 with 145 miles on trip that it will take 6 gallons or more to top off, not 5 gallons as the gauge reading would imply. My truck doesn't get 30 miles a gallon anywhere except in fantasyland. We do not have 25 gallon tanks so there isn't really 15 gallons left in the tank at 3/4 on the gauge as the tank capacity and math would imply so there is voodoo economics to a certain degree occurring here. Noted & adaptive compensation tactics implemented. Not much else to do about it.
     
  20. Apr 12, 2012 at 3:19 PM
    #20
    iroh

    iroh Well-Known Member

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    The fuel level is better approximated with the ultragauge. Needle gauge isn't accurate at all.

    16.5-21 gallons: full
    14: 3/4
    11: 1/2
    8: 1/4
    4: light, 3.75 E
     
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