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2018 Fuel gauge always reads empty

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Rob94, Apr 30, 2020.

  1. Apr 30, 2020 at 10:14 PM
    #1
    Rob94

    Rob94 [OP] Member

    Joined:
    Sep 13, 2018
    Member:
    #266128
    Messages:
    18
    Gender:
    Male
    Vehicle:
    2018 Quicksand Tacoma Double Cab TRD Offroad
    The fuel gauge in my 2018 DCSB TRD offroad stopped working. It always shows empty, the fuel light is on and the dash display warning shows up. I just fixed my rear wheel speed sensor harness because something chewed through it so I'm starting off by checking the wiring for the sending unit.

    I started looking for it and I got a little confused by the module behind the tank. After searching the number(77730-04010) I found that it is the fuel vapor canister. Does the sending unit wire route through that harness or have anything to do with it?

    I really just want to do a continuity check from the sending unit to the front of the truck. Does anyone know what specific plugs/pins to check?
     
  2. Apr 30, 2020 at 10:19 PM
    #2
    Speedfreak

    Speedfreak Member in poor standing

    Joined:
    Sep 22, 2017
    Member:
    #230756
    Messages:
    4,931
    First Name:
    Dave
    Canada Eh!
    Vehicle:
    2017 Tacoma TRD Sport DCSB 6MT, Blazing Blue Pearl
    Manual Mall Crawler
    Screenshot_20200430-221743_Drive.jpg

    Here you go. It's a pretty simple circuit.
     

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