Intermitent Rattling, knocking from stopped to moving forward

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Julien, May 27, 2017.

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  1. Julien

    Julien Junior Member

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    My Prius V, 2913, has 155,000 miles. Recently, while I was stopped, when the gas engine started itself, a severe knocking occurred.

    The knocking seemed to happened by the transmission, or the electric engine. From then on, the knocking happens only when the gas engine starts itself. Most of the times it last for about 4 seconds, being stopped or when taking off, then it disappears.

    Has anyone gone through this problem..? I'll appreciate valuable advice.
     
    #1 Julien, May 27, 2017
  2. Patrick Wong

    Patrick Wong DIY Enthusiast

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    What is the engine oil level?
    When was the oil last changed?
    What viscosity are you using?
     
    #2 Patrick Wong, May 27, 2017
  3. tankyuong

    tankyuong Senior Member

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    sounds like your egr and manifold needs cleaning
     
    #3 tankyuong, May 27, 2017
    Raytheeagle likes this.
  4. Raytheeagle

    Raytheeagle Senior Member

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    #4 Raytheeagle, May 27, 2017
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