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Why my 4runner smoke smells so bad and I don't have the check engine?

Discussion in '5th Gen 4Runners (2010-2024)' started by 4RUNNERO83, May 7, 2025 at 2:27 PM.

  1. May 7, 2025 at 2:27 PM
    #1
    4RUNNERO83

    4RUNNERO83 [OP] New Member

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  2. May 7, 2025 at 2:32 PM
    #2
    Borracho Loco

    Borracho Loco My 4Runner identifies as a Prius!

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    Oooh look, another mod.....
    It's vaping, obviously. Don't hate on it.
     
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  3. May 7, 2025 at 2:35 PM
    #3
    RumHamRunner73

    RumHamRunner73 Dead on with a zero

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    Welcome to the forum!

    Can you elaborate on this smell you are encountering? Is it from the engine or interior. When hold/cold after sitting for extended times?

    Help us with some additional information, Armando.
     
  4. May 7, 2025 at 4:30 PM
    #4
    BS67

    BS67 8404 USMC Doc

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  5. May 7, 2025 at 4:43 PM
    #5
    JET4

    JET4 Old Member

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  6. May 7, 2025 at 5:19 PM
    #6
    whippersnapper02

    whippersnapper02 New Member

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    When is it smoking?
     
  7. May 7, 2025 at 5:35 PM
    #7
    Steely123

    Steely123 What's the new trend? I'll do it!

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    Welcome.
    More info on when it's smoking. Cold starts? When warm? White smoke? Just when it's stressed out? Does it smoke in the house or go outside?
     
  8. May 7, 2025 at 5:41 PM
    #8
    catbrown357

    catbrown357 New Member

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  9. May 7, 2025 at 5:43 PM
    #9
    3JOH22A

    3JOH22A トヨタ純正男娼

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    Previous owners cut out the cats and running an O2 simulator?
     
  10. May 7, 2025 at 6:22 PM
    #10
    icebear

    icebear Member

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    Sulfur smell especially with hard acceleration and the rear window down is normal.

    Edit: I’ve never experienced it before the 4Runner so it was a surprise but apparently not uncommon in cars in general. Something about the 4Runner exacerbates it.
     
    Last edited: May 7, 2025 at 8:30 PM
    TrailSpecial22 and Tooly like this.
  11. May 7, 2025 at 7:14 PM
    #11
    Tooly

    Tooly New Member

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    What color is the smoke? Black, no pope. White, you got a pope.
     
    Taylor21554, Saker, glwood54 and 2 others like this.
  12. May 8, 2025 at 3:05 AM
    #12
    Toy4X4

    Toy4X4 New Member

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    Welcome from Wisconsin!
     
  13. May 8, 2025 at 3:17 AM
    #13
    Spare Parts

    Spare Parts New Member

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    After it’s been ridden hard
     
  14. May 8, 2025 at 9:32 AM
    #14
    Saker

    Saker No Quarter

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    If it’s white smoke, look for a new pope under the hood.
     
  15. May 8, 2025 at 10:12 AM
    #15
    whippersnapper02

    whippersnapper02 New Member

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    And put away wet? Maybe OP is smoking something.
     
  16. May 8, 2025 at 10:15 AM
    #16
    Spare Parts

    Spare Parts New Member

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    not saying I didn't have those thoughts as well.

    But I am wondering :rasta:
     
  17. May 8, 2025 at 10:31 AM
    #17
    Hungryhawk

    Hungryhawk New Member

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    Make sure you are not losing coolant, which can add a weird smell and smoke at times.
    Unfortunately coolant in exhaust is a clue to big head gasket problems.
    Any soot in tail pipe?
     
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  18. May 8, 2025 at 12:11 PM
    #18
    catbrown357

    catbrown357 New Member

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    Apparently @4RUNNERO83 has no interest in any of our opinions. Way to start a worthless thread dude.
     
  19. May 8, 2025 at 3:00 PM
    #19
    2020 4Runner

    2020 4Runner New Member

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    He posted at 5:27, signed off, hasn't been back since. Sounds like a forum troll lol.
     
    08TXRunner likes this.
  20. May 8, 2025 at 3:03 PM
    #20
    glwood54

    glwood54 Stop making me buy stuff!

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  21. May 8, 2025 at 4:44 PM
    #21
    icebear

    icebear Member

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    Baiting content for their Phoney Information Synthesis System? (Oh sorry, I mean “AI”)
     

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