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3rd gen Prius where is upper radiator hose???

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by kobear18, Oct 12, 2021.

  1. ChapmanF

    ChapmanF Senior Member

    Joined:
    Mar 30, 2008
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    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    At the risk of repetition, what P261B means is that the ECM thinks the WP rpm is less than 900. Whether the ECM is right about that is one of the things the human needs to find out.
     
    Boston2008Gen2 likes this.
  2. Jama707

    Jama707 Junior Member

    Joined:
    Dec 26, 2018
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    Location:
    SACRAMENTO, CA
    Vehicle:
    2011 Prius
    Model:
    Base
    I know it's been loong... but were you able to figure out the problem?