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What kind noise that coming from?

Discussion in 'Gen 2 Prius Main Forum' started by Harry Tebelekian, Mar 13, 2021.

  1. Harry Tebelekian

    Harry Tebelekian New Member

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    Three Touring


    I just change inverter water pump and add little bit coolant. I just cant figure out the problem.

    thank you
     
    #1 Harry Tebelekian, Mar 13, 2021
  2. dolj

    dolj Senior Member

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    That is the coolant control valve continually seeking and not finding its position. Probably because the sensor has become electrically noisy. You probably have a P112x code (usually P1121).
     
    #2 dolj, Mar 14, 2021
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