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P261B On & Off

Discussion in 'Prius c Care, Maintenance and Troubleshooting' started by Alexander Nunn, Nov 30, 2024 at 3:46 PM.

  1. Alexander Nunn

    Alexander Nunn Junior Member

    Joined:
    Feb 17, 2023
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    Location:
    Reading
    Vehicle:
    2012 Prius c
    Model:
    Three
    Hello!
    Starting to get cold here in PA!
    Got this code one morning and it went away by the end of the day. Then a few days later it came back again after start up and went away by end day. Today it came back.
    Wondering if it’s time to replace water pump or if it is a sensor or relay?
    2012 Prius C Three
    120k Miles
    Another good thing to know is a just had the engine coolant and inverter coolant flushed and replaced couple weeks ago.
    let me know if you need to know anything else!
    Thanks !
     
    #1 Alexander Nunn, Nov 30, 2024 at 3:46 PM
  2. Leadfoot J. McCoalroller

    Leadfoot J. McCoalroller Senior Member

    Joined:
    May 12, 2018
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    6,937
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    Location:
    Pennsylvania
    Vehicle:
    2018 Prius c
    Model:
    Two
    I've been reading about water pumps not hitting advertised RPM late in their lifetimes... I'm inclined to think you're reading an honest error code.
     
    #2 Leadfoot J. McCoalroller, Nov 30, 2024 at 7:02 PM
    Alexander Nunn likes this.
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