2014 Prius 4 Rough Idle following ignition coils and spark plugs replacement? Please help with advic

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Trueontwo, Dec 3, 2020.

  1. Trueontwo

    Trueontwo New Member

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    2014 Prius 4 Rough Idle following ignition coils and spark plugs replacement? Please help with advice!
     
    #1 Trueontwo, Dec 3, 2020
  2. rjparker

    rjparker Tu Humilde Sirviente

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    Two coils swapped? Check codes for misfires. There is a code for each cylinder.
     
    #2 rjparker, Dec 4, 2020
    Last edited: Dec 4, 2020
  3. tankyuong

    tankyuong Senior Member

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    Make sure plugs are not counterfeit
     
    #3 tankyuong, Dec 4, 2020
  4. Mendel Leisk

    Mendel Leisk Senior Member

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    Anything prompt the coil change?

    How many miles on it, ever cleaned EGR and intake?
     
    #4 Mendel Leisk, Dec 4, 2020
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