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Spark Plug From A Honda Burned?

Discussion in 'General Automotive' started by Greatwhitewing, Mar 30, 2025.

  1. Mar 30, 2025 at 5:27 AM
    #1
    Greatwhitewing

    #1
    Greatwhitewing [OP] Well-Known Member

    Joined:
    Oct 27, 2013
    Member:
    #115345
    Messages:
    83
    Gender:
    Male
    First Name:
    John
    Mass
    Vehicle:
    2022 SR5 V6
    2016 CR-V with a little over 100k miles. Getting substantial hesitation from idle applying semi-aggressive acceleration like "oh crap where did that car come from", enough the car will occasionally stall but 2-3 surges before. Runs well with moderate acceleration. Trying some fuel system cleaner and changing spark plugs.
    I was surprised to see the burning on the insulator and so very consistent on all 4 cylinders. The electrodes look ready to be retired but I don't see anything alarming.

    I put new Denso plugs back in with part number per owners manual

    upload_2025-3-30_8-17-42.png

    upload_2025-3-30_8-18-17.png

    The black dots are me identifying which plug came from which cylinder. The light brown will wipe off but not the black. The black ring goes all the way around the insulator so hard to imagine a crack with that consistency. Coil packs looked in very good condition

    upload_2025-3-30_8-21-25.png
     
    Greatwhitewing, Mar 30, 2025
    #1

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