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Hesitation on accelerating from a stop?

Discussion in '3rd Gen. Tacomas (2016+)' started by Dawnpatrol, Feb 17, 2017.

  1. Feb 17, 2017 at 1:39 PM
    #1
    Dawnpatrol

    Dawnpatrol [OP] Well-Known Member

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    Tried to do a search on this problem with my new 2017 SR5. When taking off from a stop on occasion the acceleration takes a second before kicking in. Anyone experience this problem? Annoying when time is of the essence when making a left turn through traffic coming the other way!
     
    wkf likes this.
  2. Feb 17, 2017 at 1:47 PM
    #2
    JordanDziekan

    JordanDziekan Well-Known Member

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    I have the same problem on my 2017 TRD Sport.
     
    niko5055 likes this.
  3. Feb 17, 2017 at 1:49 PM
    #3
    Hoangde

    Hoangde Well-Known Member

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    Issue happening since Toyota starting cable less on gas pedal since 2007. More noticeable on 4 cyc. Automatic.
     
    Last edited: Feb 17, 2017
    Claudiomartinof and mikestaco17 like this.
  4. Feb 17, 2017 at 1:49 PM
    #4
    EOS

    EOS Well-Known Member

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    Ditto.. was wondering what that was.
     
  5. Feb 17, 2017 at 1:50 PM
    #5
    JWolfUO

    JWolfUO Well-Known Member

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    Same thing happen if you hit the ECT button?
     
    Egearing likes this.
  6. Feb 17, 2017 at 1:53 PM
    #6
    CJREX

    CJREX Well-Known Member

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    This does not apply to all Toyotas, but it seems the 3rd gen Tacomas, including the MT guys, have it.

    My wife's V6 Rav4 has the electronic throttle and throttle response is instantaneous.
     
    shakerhood likes this.
  7. Feb 17, 2017 at 4:36 PM
    #7
    kahanabob

    kahanabob Well-Known Member

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    not for me...ECT is like a aspirin, a cure all for everything, including when making a left turn through traffic coming the other way or making a right turn when you have just enough break in traffic but need to be quick about it.
     
    Dawnpatrol [OP] likes this.
  8. Feb 17, 2017 at 5:16 PM
    #8
    aero90

    aero90 Well-Known Member

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    It is how the engine is at lower RPM. I assure you it is like that even with a manual transmission. Luckily I can shift much higher up in the RPM band to avoid it, but anything at roughly 2-2.2k RPM and below in this truck outside of 1st gear, and you are a snail.
     
    shakerhood and Dawnpatrol [OP] like this.
  9. Feb 17, 2017 at 5:20 PM
    #9
    Egearing

    Egearing Well-Known Member

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    For me it seems with ECT on, it kicks right now when you hit the gas vs ECT off which is the lag you get before a turbo kicks, even though these have no turbo of course. I'm learning to like the ECT more and more on my SR5...
     
    Karlyrie and Dawnpatrol [OP] like this.
  10. Feb 17, 2017 at 7:48 PM
    #10
    Cclogan8

    Cclogan8 Well-Known Member

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    Its getting bad, Im almost broke.
  11. Feb 17, 2017 at 8:19 PM
    #11
    Hoangde

    Hoangde Well-Known Member

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    Read this report, all detail about Toyota Electronic Throttle Control is here. If you don't have the issue then you are one of the lucky one.

    "When the car goes into the limp-home-mode it is because the accelerator and engine control computer and the throttle are not talking to each other in a way that they can understand. The engine control computer shuts down the signal to the throttle position motor and a set of springs in the throttle set it to a fast idle, fast enough to get the transmission in gear but not so fast that driving may be dangerous."
     
    GPsevinSixx likes this.
  12. Feb 17, 2017 at 10:01 PM
    #12
    shakerhood

    shakerhood Well-Known Member

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    Agreed, my old 08 nor my 2015 have never experienced this, give it gas and let out the clutch and they move instantly!
     
  13. Feb 17, 2017 at 10:43 PM
    #13
    Dawnpatrol

    Dawnpatrol [OP] Well-Known Member

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    This is a safety problem I have experienced first hand with my new SR5 and a rental car, a Hyundai Sonata in a trip through Florida. 1,200 miles of scary when you have to make a left hand turn through heavy traffic relying on acceleration to make the turn and the car goes limp!

    I want to thank all of you that have posted on this thread and the one Cclogan8 originally posted. This could save a life! I'm going directly to my Service Manager on this and talk to Toyota about this. Hoping ETC in the interim will keep me safe but think about it..............how many people jump in rigs without the knowledge you good folks have provided here?
    shakerhood, on a MT maybe, not a AT. And the problem here is that the "limp" doesn't happen 100% of the time! Want to be safe? You have to stump the brake and keep the throttle punched. Great fricking fun like looking at the Xmas tree at the track but this time you are simply trying to make a left hand turn into your driveway while traffic is coming at ya at 50 mph! Fun, fun, fun! Good luck!
     
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  14. Feb 17, 2017 at 10:48 PM
    #14
    Dawnpatrol

    Dawnpatrol [OP] Well-Known Member

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    Gearcruncher! Need your help here! What advice can you give for us 2017/Gen3 owners? Haven't sold my Gen 1 yet so maybe just keep it?
     
  15. Feb 20, 2017 at 7:57 AM
    #15
    JWolfUO

    JWolfUO Well-Known Member

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    I could only drive my SR5 with ECT on until recently when I took it in for the 5k service. I whined about the lag and they did the software update on the transmission, as per the TSB. Now I don't use the ECT button anymore because the lag is gone. Shifts way smoother too.
     
    Egearing likes this.
  16. Feb 20, 2017 at 10:34 PM
    #16
    TacomaGinger

    TacomaGinger Well-Known Member

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    Did you have to whine about the lag issue in order to get the software update or does that get done regardless @ 5k?
     
  17. Feb 20, 2017 at 10:39 PM
    #17
    GPsevinSixx

    GPsevinSixx Well-Known Member

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  18. Feb 21, 2017 at 5:24 AM
    #18
    gearcruncher

    gearcruncher Well-Known Member

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    OK . I am here hehehehe
    From what I am reading , the above members have already answered the question .
    If I can add anything it would be to make sure your transmission was properly filled with fluid when the truck was sold to you .
    Can you verify this ?
    https://www.tacomaworld.com/threads...be-low-on-fluid-directly-from-factory.405642/

    Has the latest technical service bulletin been applied to your truck ?
    I believe there are 2 revisions of the TSB at this time
    https://www.tacomaworld.com/threads/t-sb-0077-16-rev-1.457782/

    Both of the above well known issues solve " symptoms " of a hesitation problem . There are other hesitation issues as well , but these are the 2 big ones .
    Considering we are diagnosing from a keyboard and not actually test driving your truck , it would assist all the guys that are trying to help if you could let us know what has been done to the truck up to this point .

    If you can confirm your transmission fluid was properly filled and the tsb has been applied to your truck , it eliminates a huge issue in a hesitation diagnosis .
     
    Last edited: Feb 21, 2017
  19. Feb 21, 2017 at 7:25 AM
    #19
    SothernTaco

    SothernTaco Well-Known Member

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    Majority of drive by wire cars I have drove has this slight hesitation while the computer calculates what you are asking it to do. Some are horrid and some are manageable. Ain't technology great...

    I've noticed in mine when wanting to get on the move from a stop, best thing is to roll into the throttle.
     
  20. Feb 21, 2017 at 7:34 AM
    #20
    17TacoJoe

    17TacoJoe Member

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    17 does, had mine updated, but it is till has issues sometimes, even though I have the update, I'm going to check into the fluid but I would assume they would have checked it when I brought it in complaining about the lag and shift issues.
     

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