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Chirping sound in the engine compartment 2016 Tacoma sport v6

Discussion in '3rd Gen. Tacomas (2016-2023)' started by toyotasa, Sep 23, 2016.

  1. Sep 23, 2016 at 6:07 PM
    #1
    toyotasa

    toyotasa [OP] New Member

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    So I took the truck back to the dealer because of this chirping that is all the time know. They told me to was the new fuel injection system on the new 3.5l, I think they are full,of it, has anyone heard of this. I spent a lot of,money on this truck to have it squeaking all the time.
     
  2. Sep 23, 2016 at 6:14 PM
    #2
    Joe23

    Joe23 Canuckistikian

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    I feel like they arent lying to you.
    sounds like you're describing the weird sound of the injectors and atkinson cycle thing.
    There's a few other threads on here about it.
     
    Modesto Tacoma and toyotasa[OP] like this.
  3. Sep 23, 2016 at 6:22 PM
    #3
    toyotasa

    toyotasa [OP] New Member

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    I'll take look thanks
     
  4. Sep 23, 2016 at 9:47 PM
    #4
    George1441

    George1441 Much happier

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    I've heard it too
     
  5. Sep 23, 2016 at 9:48 PM
    #5
    smitty99

    smitty99 I also bought a 4Runner

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    Just another third gen problem
     
  6. Sep 23, 2016 at 9:49 PM
    #6
    2016BBP

    2016BBP Well-Known Member

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    Op

    They are not lying to you

    Two technically advanced features incorporated into the new 3.5-liter V6 engine in the Tacoma: A dual-cycle engine function, and self-cleaning fuel injectors. If it all sounds a little obtuse, just know that operating the engine in both regular and Atkinson cycles improves fuel efficiency without diminishing performance, and self-cleaning fuel injectors last longer, saving on repair costs down the road.

    http://becarchic.com/2015/08/25/2016-tacoma-toyotas-midsize-truck-ready-for-battle/
     
    vinkon235 and George1441 like this.
  7. Sep 24, 2016 at 3:13 AM
    #7
    Spare Parts

    Spare Parts Well-Known Member

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    I am starting to understand why others say to put you on ignore. Come on man, go talk to some one about this taco anger you got going on.
     
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  8. Sep 24, 2016 at 12:22 PM
    #8
    bobrown14

    bobrown14 Well-Known Member

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    No need to hate... c'mon. Someone asked a question that's been asked... what a hundred times and you hat on @smitty99?

    I know he's an easy target n all but still, no need to be harsh about it.

    To the OP - are you sure its squeaking?? Sounds like the hood rattle thing - definitely NOT the Atkinson cycle. The stealership is smoking the good stuff again forgot to share with you so you wouldn't notice. Just sayin
     
  9. Sep 24, 2016 at 1:04 PM
    #9
    Spare Parts

    Spare Parts Well-Known Member

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    He keeps hating on the taco, I don't blame him for being frustrated, but it does get old after a while
     
    Man of Steel TRD likes this.
  10. Sep 24, 2016 at 1:12 PM
    #10
    aero90

    aero90 Well-Known Member

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    The injector cleaning shouldn't last more than 10-15 minutes and will only occur at hot idle.

    Another possible sound is the high pressure fuel pump chirping. I noticed this a lot before during idle, but for some reason (only had the truck 6 months), I haven't heard it lately.
     
  11. Sep 24, 2016 at 4:40 PM
    #11
    jonnyozero3

    jonnyozero3 Well-Known Member

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    Yup, most often when people report "chirping" from engines it is Toyota's D4-S injection system... specifically as you say the high pressure fuel pump. Sound is cosmetic only and shouldn't hurt anything. I think gas with ethanol tends to make it worse.
     
  12. Sep 24, 2016 at 4:45 PM
    #12
    Sil

    Sil Of the Earth

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    If it sounds like crickets it is the direct injection system. That sound as frequents the brz as well(also Toyota DI system). If it sounds like tapping then it is cleaning.
     
  13. Sep 24, 2016 at 4:49 PM
    #13
    cdntac

    cdntac Well-Known Member

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    So if he hates it so much why not just get rid of it and drive something else?

    I can't ever imagine spending my time posting on a forum devoted to something I loathe.
     
    Man of Steel TRD likes this.
  14. Sep 24, 2016 at 4:57 PM
    #14
    Man of Steel TRD

    Man of Steel TRD Ignorance is the new normal

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    It's normal to our engines like the others are saying. Mine does it as well. The dealership isn't lying to you
     
  15. Sep 24, 2016 at 4:59 PM
    #15
    Man of Steel TRD

    Man of Steel TRD Ignorance is the new normal

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    I agree with you man. He must just be a miserable person or just gets a kick out of it.
     
    cdntac[QUOTED] likes this.

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