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38 Gal tank experiences....

Discussion in '3rd Gen Tundras (2014+)' started by KeithM, Mar 19, 2018.

  1. May 7, 2020 at 2:11 PM
    #211
    Cpl_Punishment

    Cpl_Punishment Burning airlines give you so much more...

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    Rosy
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    If you could get your hands on a 38 gallon tank, I wonder how hard it would be to swap it in.
     
    pnw.tundra likes this.
  2. May 12, 2020 at 3:53 AM
    #212
    ClaytonW

    ClaytonW New Member

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    O.K., it looks pretty normal. I had about 10 Toyota/Lexus cars and SUVs and each of them had about 5 gallons left when the computer displayed 0 remaining miles. This is not a bug, it's a feature :) It was the same for my 2008 Sequoia and it's the same for my 2016 LX 570. I did not test it on my Tundra yet but I believe that there will be no difference.
     
  3. Jun 25, 2020 at 10:37 PM
    #213
    Sciosh98

    Sciosh98 New Member

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    Stephen
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    So this probably isn’t the right place for this, but close kinda? :notsure:

    I’m still in my first gas tank, but every time I shut my truck off it gives me a little ride summary...and so far (and I am babying it since it’s still under 500 miles) I’ve been at 16-18 mpg every trip driving around town. Could that be right? Or is the computer doing a shitty calculation because it still hasn’t gotten reality under its belt? Zero interstate driving and I’m averaging on the top end of the highway mpg rating?
     
  4. Jun 26, 2020 at 12:00 AM
    #214
    Jpneely

    Jpneely New Member

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    mine is always an MPG or so on the optimistic side. that said, 16 is about what i see depending on how much stop and go i get into in the city. most of my miles have been highway, and according to fuelly im getting 17ish MPG when my computer tells me 18-18.5. take the numbers with a grain of salt. i mainly just use it see where i can improve if MPG's is what im going for.
     
  5. Jun 26, 2020 at 4:54 AM
    #215
    Jaypown

    Jaypown New Member

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    Your truck has yet to even learn your driving habits. My first couple tanks showed over 600 miles on DTE before it adjusted to down in the 400's. I wouldn't personally trust the MPG rating. just wait until you fill up and calculate it by hand.

    Also, depending on your terrain and driving style, 16-18 doesn't seem too far off.
     
  6. Jun 26, 2020 at 6:06 AM
    #216
    CaptainGrumpus

    CaptainGrumpus The Mailman

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    After fill up, I’m at 516 miles to empty with an average of 15.6 miles per gallon. I am using a signal booster which has helped my gain 1 mpg.
     
  7. Jun 29, 2020 at 2:49 PM
    #217
    Sciosh98

    Sciosh98 New Member

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    Okay, first fill up: 502 miles, got 31 gallons, and averaged right around 16mpg. The computer said I still had about 25 miles to empty. All seems right with the world.

    With my natural lead foot, I should be averaging 13mpg in no time.
     
    Fearthisbeard and Jaypown like this.
  8. Jul 5, 2020 at 8:17 AM
    #218
    LJOHNS

    LJOHNS New Member

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    I love the large tank on my new to me 2018 CM. One of my favorite features!
     
    Jaypown likes this.
  9. Jul 11, 2020 at 7:26 AM
    #219
    LGTruckWesternSlope

    LGTruckWesternSlope New Member

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    I like a little left in the tank. My history tracks at about 30 gal. per fill-up with a 520 mile range. Happy with that and the mpg so far. Based on my history and estimating at least 6 gallons left to be safe at 15mpg allows for an additional 90 miles of travel just in case you get distracted with the joy of driving this amazing truck. Note stats attached.
     

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