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Weird sound. What could be wrong? (audio inside)

Discussion in 'Gen 2 Prius Main Forum' started by Ruming, Mar 15, 2021.

  1. Ruming

    Ruming Junior Member

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    Nothing seems to be wrong but there is weird sound while waiting for traffic light. It doesn't come only after driving for a while.

    The most recent change was OEM coolant control valve fixed P1121 error weeks ago. Coolant refilled and checked frequently since then.


     
    #1 Ruming, Mar 15, 2021
  2. PriusCamper

    PriusCamper Senior Member

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    You audio clip doesn't work... Can you give us more details?
     
    #2 PriusCamper, Mar 15, 2021
  3. Ruming

    Ruming Junior Member

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    It should, just tried it on another computer.

    It's like a valve or actuator doing something repeatedly.
     
    #3 Ruming, Mar 15, 2021
  4. bisco

    bisco cookie crumbler

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    hard to tell. might be the 3 way coolant valve, or the brake actuator.
     
    #4 bisco, Mar 15, 2021
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