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Weird idle 3rd gen 2.7l

Discussion in '4 Cylinder' started by Komurphy, Apr 17, 2024.

  1. Apr 17, 2024 at 3:43 PM
    #1
    Komurphy

    Komurphy [OP] Well-Known Member

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    Kory
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    2020 Magnetic Gray SR5
    My 3rd gen 2.7l has developed a weird idle when in gear and creeping. I’m getting a rhythmic vibration when I let off of the brake to creep forward in situations like drop off line at my kids school. Does anybody see any issues with what I pulled from OBD fusion? See screenshots below. I appreciate any help or advice.
    IMG_0368.jpg IMG_0369.png IMG_0370.jpg IMG_0371.png IMG_0372.png IMG_0373.png IMG_0374.png IMG_0375.png IMG_0376.png
     
    Last edited: Apr 17, 2024
  2. Jul 11, 2024 at 6:57 AM
    #2
    sgtlethargic

    sgtlethargic Well-Known Member

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    I don't get why no one replied. Did you get this figured out? I had a worse idle, stumbling, and stalling issue that seems to have been a bad MAF sensor. Cleaning it didn't work. Putting a dirty one from the junkyard in worked.

    Is that considered live data? Does live data also involve graphs?
     
  3. Jul 11, 2024 at 10:06 AM
    #3
    Komurphy

    Komurphy [OP] Well-Known Member

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    Yes that was live data. You're not going to believe what was causing this. Something I never put together was that the RPMs never dropped during this so it couldnt have been engine related. Turned out it was my tires causing the weird shaking when coming to a stop. Never did I ever think that would be the cause. My tires had around 65000 on them so it was time to get new ones which I did and the shaking went away. Never thought tires could cause that shake at that low of speeds but that was definitely the issue.
     
    Zerksees and sgtlethargic like this.
  4. Jul 11, 2024 at 10:52 AM
    #4
    sgtlethargic

    sgtlethargic Well-Known Member

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    I hear you. The ignition coils going bad can feel like something's wrong with the road or suspension.
     
  5. Jul 11, 2024 at 10:53 AM
    #5
    Zerksees

    Zerksees Well-Known Member

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    Glad you figured it out, I was at a loss.
     
  6. Jul 11, 2024 at 6:13 PM
    #6
    Komurphy

    Komurphy [OP] Well-Known Member

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    2020 Magnetic Gray SR5
    Yeah so weird. Glad it was at time to replace tires or I would have ever guessed it was what it ended up being.

    Yeah you and me both. I ended up replacing spark plugs twice thinking I had gotten a bad set or fake set from Amazon
     
    Zerksees[QUOTED] likes this.

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