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Pop at engine area when shutting down 2013 taco, help?

Discussion in '2nd Gen. Tacomas' started by 100, Feb 22, 2013.

  1. Feb 22, 2013 at 10:08 PM
    #1
    100

    100 [OP] I have 4 Dogs

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    When I turn the truck off, I hear I vacuum sound then a small and faint pop noise coming from the engine. I got the truck with 160 miles and now it has1,700 miles, it still happens; everytime am shutting it off. I have not overreacted and taken it to the dealership , should I? Is this normal?
     
  2. Feb 22, 2013 at 10:11 PM
    #2
    06 tacoma owner

    06 tacoma owner Well-Known Member

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    Check engine light on?
     
  3. Feb 22, 2013 at 10:12 PM
    #3
    tostidos

    tostidos Well-Known Member

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    sounds like the smog pump. Apparently a normal noise for you new model guys.
     
  4. Feb 22, 2013 at 10:19 PM
    #4
    100

    100 [OP] I have 4 Dogs

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    No check engine light on, in the 1,700 miles it has total.

    QUOTE=tostidos;6485383]sounds like the smog pump. Apparently a normal noise for you new model guys.[/QUOTE]

    Why would this be an issue if in the past it was not? Why would it cause a small faint pop noise? Possible cycling still while in shutdown mode?
     
  5. Feb 22, 2013 at 10:19 PM
    #5
    jw1983

    jw1983 Well-Known Member

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    When I owned my 2011 DC it didn't do this. I got my 2013 and it has been doing it since day one. From what I have been told from other members on this site, it's normal.
     
  6. Feb 22, 2013 at 10:21 PM
    #6
    Frissen

    Frissen Well-Known Member

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    2013 PreRunner 2wd and i dont get this noise...
     
  7. Feb 22, 2013 at 10:23 PM
    #7
    95 taco

    95 taco Redneck rich

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    maybe they changed the smog pumps?
     
  8. Feb 22, 2013 at 10:23 PM
    #8
    100

    100 [OP] I have 4 Dogs

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    On mine it happens which seems like every shutoff. Hot, cold, rain...etc. there are times I may not hear it, but It's there. Have you asked any technicians and/or dealership?
     
  9. Feb 22, 2013 at 10:24 PM
    #9
    100

    100 [OP] I have 4 Dogs

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    Weird, mine is a 2013 Prerunner as well, mine has that noise.
     
  10. Feb 22, 2013 at 10:25 PM
    #10
    100

    100 [OP] I have 4 Dogs

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    Any way we can verify this? It would be good to find out. This is obviously my first truck/Tacoma.
     
  11. Feb 22, 2013 at 10:27 PM
    #11
    95 taco

    95 taco Redneck rich

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    I'm not sure, maybe ask the dealer if the part #'s are different?
     
  12. Feb 22, 2013 at 10:28 PM
    #12
    MGMTacolover55

    MGMTacolover55 Well-Known Member

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    Its normal mine does it every day I got used to it
     
  13. Feb 22, 2013 at 10:29 PM
    #13
    100

    100 [OP] I have 4 Dogs

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    Was it the smog pump as others implying? or did you not look into it?
     
  14. Feb 22, 2013 at 10:30 PM
    #14
    sde780

    sde780 Well-Known Member

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    2012 V6 DCLB : does this most of the time
     
  15. Feb 22, 2013 at 10:38 PM
    #15
    100

    100 [OP] I have 4 Dogs

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    Have you seen or heard a pattern of when it happens?
     
  16. Feb 22, 2013 at 10:57 PM
    #16
    sde780

    sde780 Well-Known Member

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    Short drives where the truck hasn't warmed up completely
     
  17. Feb 22, 2013 at 11:07 PM
    #17
    chaosbound

    chaosbound Member

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    I'm not exactly sure what causes the sound, but my 2013 V6 makes the same noise when shut off too. I wouldn't worry about it.
     
  18. Feb 23, 2013 at 12:29 AM
    #18
    MGMTacolover55

    MGMTacolover55 Well-Known Member

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    it could be the smog pump but I don't even know what that is I know the old term for it was secondary air injection
     
  19. Feb 23, 2013 at 3:49 AM
    #19
    car78412

    car78412 Well-Known Member

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    My Truck does it also. It has about 600 miles on it now. When I shut it off, I thought the noise was coming from the clutch fan. I will have it looked at by the service dept. on my 5k service. It really doesnt bother me. I just find it odd. Gives the truck a personality.
     
  20. Feb 23, 2013 at 6:45 AM
    #20
    P9HST2

    P9HST2 Well-Known Member

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