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Gas gauge acting up

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Steelholder, Jul 30, 2024 at 5:26 PM.

  1. Steelholder

    Steelholder Junior Member

    Joined:
    Oct 25, 2022
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    Location:
    Encino
    Vehicle:
    2010 Prius
    Model:
    Three
    Hey all, I have a a 2010 and my gas gauge seems to be acting up. After going down a long hill it shows the beeping bar (almost out of gas). When I hit the gas station it only took 8 gallons, seemed way too son as I had recently filled up and expected at least another 75 miles, it regularly takes 10.5 gal when the last bar flashes. In another instance it showed a solid bar but ran out of gas. Is there any place I should start to troubleshoot? Not throwing any codes.

    Edit - it is throwing code U0155 although my limited research doesn't seem to shoew any relation to gads gauge.
     
    #1 Steelholder, Jul 30, 2024 at 5:26 PM
    Last edited: Jul 30, 2024 at 5:52 PM
  2. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    9,249
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    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    Well at least in a generation 3 you can replace the sending unit the fuel pump and all of that as the gas tank is free and open unlike other models I would imagine the sending unit for the fuel gauge is probably not prohibitively expensive and may even be covered in the aftermarket as it's just a sender unit.
     
    #2 Tombukt2, Jul 30, 2024 at 6:53 PM
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