Question Regarding Fuel Gauge Calibration

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by ingyaningya, Apr 21, 2016.

  1. ingyaningya

    ingyaningya Junior Member

    Joined:
    Feb 12, 2016
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    Location:
    Miami
    Vehicle:
    2007 Prius
    I already know the procedure to recalibrate the fuel gauge, so that is not my question.
    My question is whether or not the fuel tank must be full in order for the calibration to work properly? It makes sense to me to think that it would, because the current fullness of the tank would set the standard for what the gauge considers to be "full", correct?

    Anyone knowledgeable of this subject please respond. Thank you.
     
    SFO likes this.
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