1. Welcome to Tundras.com!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tundra discussion topics
    • Transfer over your build thread from a different forum to this one
    • Communicate privately with other Tundra owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Fueling Issue

Discussion in '2.5 Gen Tundras (2014-2021)' started by zebian2, Jan 5, 2019.

  1. Jan 5, 2019 at 6:19 PM
    #1
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    2014 1794 with 67k miles.
    Fuel light came on with less than 1/4 tank.
    Tried to fuel and it won’t take more than $30 before the nozzle stops.
    I managed to add 2 more gallons.
    Now the fuel gauge is showing that the tank is almost full ( needle is between 3/4 and full)
    It is strange.
    Could it be the sending unit?
    Last time I checked my hoses and none is kinked or pinched.
    Your input in much appreciated
    Thank you
     
    Last edited: Feb 1, 2019
  2. Jan 5, 2019 at 7:17 PM
    #2
    T-Rex266

    T-Rex266 Elon approved Staff Member

    Joined:
    Jan 5, 2014
    Member:
    #6
    Messages:
    155,861
    Gender:
    Male
    Can be, yes
    Do u typically top off when u fuel?
     
  3. Jan 5, 2019 at 7:30 PM
    #3
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
  4. Jan 5, 2019 at 7:31 PM
    #4
    T-Rex266

    T-Rex266 Elon approved Staff Member

    Joined:
    Jan 5, 2014
    Member:
    #6
    Messages:
    155,861
    Gender:
    Male
    Have you tried a different pump?
     
  5. Jan 5, 2019 at 7:33 PM
    #5
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    The truck is new to me
    1st time I was fueling I was only able to put about $45.00 worth of fuel
    Changed 2 gas station to no good.
     
  6. Jan 5, 2019 at 7:34 PM
    #6
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    I’m hopping that I won’t need to pull the tank off
     
  7. Jan 5, 2019 at 7:35 PM
    #7
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    I’m leaning towards the conclusion that the sending unit is at fault.
     
  8. Jan 5, 2019 at 7:41 PM
    #8
    15whtrd

    15whtrd Mr. Blonde

    Joined:
    Sep 20, 2015
    Member:
    #1829
    Messages:
    9,387
    Gender:
    Male
    First Name:
    Sean
    SoCal
    Vehicle:
    White 2015 Tundra DC SR5 TRD 4x4 5.7L, White 2003 Sequoia 2WD
    TRD Pro suspension, +2 Coachbuilder shackles, 2015 TRD Pro headlights, 20% ceramic tinted windows, clear ceramic tinted front windshield, aFe drop in pro s dry air filter, TRD airflow accelerator, TRD oil fill cap, TRD 18 psi radiator cap, BDX Bullydog tuner, Weathertech floor mats front and rear, rear seat fold down mod, DNA hard trifold tonneau cover, Linex with uv protection, TRD rear swaybar, TRD center caps, TRD Pro grille insert with color matching surround and bulge, TRD PRO headlights, aluminum oil filter canister, Real truck tailgate seal, Pop-n-lock tailgate lock actuator, rear diff breather relocate, RCI front skid plate. 275/70 R18 BFG KO2s
    Next time it gets down to the sending unit saying it’s at a quarter tank, go tap on the side of the tank to see if it sounds low.
     
  9. Jan 5, 2019 at 7:44 PM
    #9
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    Great idea
    I was thinking about Tapping on the tank tomorrow morning to see if it’s actually full.
    Thank you
     
    15whtrd likes this.
  10. Jan 5, 2019 at 7:45 PM
    #10
    T-Rex266

    T-Rex266 Elon approved Staff Member

    Joined:
    Jan 5, 2014
    Member:
    #6
    Messages:
    155,861
    Gender:
    Male
    Yeah, try a different pump or fuel at a different angle.
     
  11. Jan 5, 2019 at 7:50 PM
    #11
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    Definitely
     
  12. Jan 16, 2019 at 3:36 PM
    #12
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    What do I need to be looking at when it comes to the charcoal canister for the fuel tank?
    All ports seems open when I blow air through themF119A4FB-B2CD-4F78-8F94-FC62D0E3E58B.jpg
     
  13. Jan 17, 2019 at 5:12 PM
    #13
    Nmanning556

    Nmanning556 New Member

    Joined:
    Jan 15, 2019
    Member:
    #24554
    Messages:
    12
    Gender:
    Male
    VA
    Vehicle:
    2015 Crewmax SR5 4x4
    When you remove the gas cap, does vapor escape and hiss out?
     
  14. Jan 17, 2019 at 5:21 PM
    #14
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
  15. Jan 17, 2019 at 5:46 PM
    #15
    Nmanning556

    Nmanning556 New Member

    Joined:
    Jan 15, 2019
    Member:
    #24554
    Messages:
    12
    Gender:
    Male
    VA
    Vehicle:
    2015 Crewmax SR5 4x4
    You may have a problem with the fuel cut off float valve in the tank. According to repair manual, it necessitates replacement of the tank, as the valve is built in.

    I'd take it to the dealer to diagnose and confirm, there's a test they can do to manually pressurize the tank and check to see that the valve is operating ok or not.
     
  16. Jan 17, 2019 at 5:47 PM
    #16
    Nmanning556

    Nmanning556 New Member

    Joined:
    Jan 15, 2019
    Member:
    #24554
    Messages:
    12
    Gender:
    Male
    VA
    Vehicle:
    2015 Crewmax SR5 4x4
  17. Jan 18, 2019 at 8:31 AM
    #17
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    Interesting
    I’ll look into that
    Meanwhile do you think I can upgrade to the 38 gallons?
    Thank you
     
    15whtrd likes this.
  18. Jan 18, 2019 at 8:34 AM
    #18
    Nmanning556

    Nmanning556 New Member

    Joined:
    Jan 15, 2019
    Member:
    #24554
    Messages:
    12
    Gender:
    Male
    VA
    Vehicle:
    2015 Crewmax SR5 4x4
    I don't personally know the compatibility or what's needed to upgrade tanks ( I'm on the Lexus side of things ), hopefully someone else can answer
     
  19. Jan 18, 2019 at 8:51 AM
    #19
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    Thank you for your help
    The information you posted regarding the cut-off valve is in the service manual?
     
  20. Jan 18, 2019 at 9:31 AM
    #20
    Nmanning556

    Nmanning556 New Member

    Joined:
    Jan 15, 2019
    Member:
    #24554
    Messages:
    12
    Gender:
    Male
    VA
    Vehicle:
    2015 Crewmax SR5 4x4
    Yes that's from the factory manual for your year.
     
  21. Jan 18, 2019 at 9:39 AM
    #21
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    Thank you
     
  22. Jan 18, 2019 at 9:49 AM
    #22
    scpete24

    scpete24 Duuuuuuude

    Joined:
    Feb 15, 2017
    Member:
    #6387
    Messages:
    698
    Gender:
    Male
    Orange County, CA
    Vehicle:
    2016 TRD Pro Super White
  23. Jan 18, 2019 at 10:39 AM
    #23
    zebian2

    zebian2 [OP] New Member

    Joined:
    Nov 14, 2018
    Member:
    #21732
    Messages:
    172
    Gender:
    Male
    First Name:
    Jamy
    That is an amazing detailed write up.
    A lot of credit to the writer.
    Much appreciated
     

Products Discussed in

To Top