2010 idles rough

Discussion in 'Gen 3 Prius Main Forum' started by Giff57, Jul 5, 2025 at 11:18 AM.

  1. Giff57

    Giff57 Junior Member

    Joined:
    May 22, 2018
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    Location:
    iowa
    Vehicle:
    2010 Prius
    Model:
    II
    After new plugs, new intake manifold, egr and egr cooler. Prius idles rough. Got EGR low flow code after highway drive. She runs ok down the road. Very rough at idle. I’m thinking vacuum leak, but where? Any help appreciated
     
  2. bettergolf

    bettergolf Active Member

    Joined:
    Jan 8, 2019
    477
    360
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    Location:
    Sanford NC
    Vehicle:
    2015 Prius
    Model:
    Two
    Uh Oh...here they come!
     
    Brian1954 likes this.
  3. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    112,330
    51,118
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    how many miles on her?