please help diagnose this noise

Discussion in 'Gen 2 Prius Main Forum' started by Christopher Jones, Feb 26, 2015.

  1. Christopher Jones

    Christopher Jones Junior Member

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    #1 Christopher Jones, Feb 26, 2015
  2. bisco

    bisco cookie crumbler

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    sounds like a commercial copier.
     
    #2 bisco, Feb 26, 2015
  3. JC91006

    JC91006 Senior Member

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    This has been posted before and identified as a problem with the coolant control valve. If it fails completely, you should get code P1121
     
    #3 JC91006, Feb 26, 2015
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  4. Christopher Jones

    Christopher Jones Junior Member

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    Is that valve part number 16670-21010?
     
    #4 Christopher Jones, Feb 26, 2015
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