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Misfire on #1, low RPM?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by corvair, May 11, 2016.

  1. tankyuong

    tankyuong Senior Member

    Joined:
    Nov 9, 2012
    1,555
    661
    0
    Location:
    Central MO
    Vehicle:
    2012 Prius c
    Model:
    II
    when I switched to ngk plugs it solved my problem
     
  2. waldox

    waldox Junior Member

    Joined:
    Apr 15, 2018
    69
    19
    0
    Location:
    toronto
    Vehicle:
    2008 Prius
    Model:
    Base
    i bought a gen 3 prius with 260k miles, it had a small custom gasket to block inbetween the egr pipe and egr cooler. it stopped the low rpm misfires. im curious why this works. tho blocking the egr thows p0401 code