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2016+ Toyota Tacoma OVTUNE 1.05 - Tune Development thread

Discussion in '3rd Gen. Tacomas (2016+)' started by OVTune, Jun 9, 2017.

  1. Feb 4, 2019 at 2:38 PM
    acemastr

    acemastr Well-Known Member

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    Aaron
    Tampa, FL
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    OVTune
    My truck rumbles at idle in D, then there's that slight hesitation as the throttle is pushed. I wonder if the RPM is a little too low and adding fuel with the throttle push causes the hesitation.

    Going to disconnect the battery and see if that helps.
     
    BLUTRD likes this.
  2. Feb 4, 2019 at 2:43 PM
    OVTune

    OVTune [OP] Well-Known Member

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    OVTune
    Not necessary, I figured out why this is happening. There is a single idle target in the ECU that is unlike others. When up to temp the truck will use a value between 550 and 512.50 (which is a stupid value!). 1.05 did not modify this but an update will be.

    Some trucks with our ignition rewrite do not like idling between this range.

    Also, I still need to send you the logger, just been buried in tickets.

    1001.jpg


    This same target is also the reason why some stock trucks shake at idle. (untuned)



    just another "bug" .. or lack of attention in the stock tune.
     
    hbaade, SigSense, BLUTRD and 19 others like this.
  3. Feb 4, 2019 at 3:05 PM
    TEXAS BS

    TEXAS BS Formerly known as MMXVII

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    Glad you discovered this and added it to the fix list :thumbsup:
     
    hbaade and wahoobie like this.
  4. Feb 4, 2019 at 4:08 PM
    andrewbrandon19

    andrewbrandon19 Well-Known Member

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    I've drooled over this for two months, just ordered. Can't wait!
     
  5. Feb 4, 2019 at 4:18 PM
    ihatemytruck

    ihatemytruck Smartass

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    OV tuned
  6. Feb 4, 2019 at 4:20 PM
    PatricNV

    PatricNV Well-Known Member

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    Reno, NV
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    OV Tune Skinny tires Trail Gear Sliders
    Might be onto something. Mine (2018) uses the brakes to correct sliding in snow. It is extremely effective. If you want to mess around and slide the rear end you have to disable it or the truck just won't slide. What would happen to this system if the rear end was locked?
     
    Last edited: Feb 4, 2019
  7. Feb 4, 2019 at 4:28 PM
    Brent2014

    Brent2014 Well-Known Member

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    So, I have been driving on ECT the last few days in a last ditch effort to prevent me from trading in for an f150. I decided that’s exactly how I want this truck to feel. Does this tune feel similar to that? If so I’m sold. I’ve been following this thread since I bought my 2017, but I’ve read about some of the issues so I’ve held off. Once the patch for 1.05 is released then I will probably buy it. I’m excited!
     
    pat5000 likes this.
  8. Feb 4, 2019 at 4:43 PM
    Hawktane

    Hawktane Member

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    Half Moon Bay, CA
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    Just completed the Flash and took the truck on my 46 mile commute and wow. What a difference! Truck's drive-ability so massively improved. Just wanted to thank Mat and everyone who worked on this. Best money I've spent.
     
    paleh0rse and PhogDog like this.
  9. Feb 4, 2019 at 5:15 PM
    habanero_taco

    habanero_taco Well-Known Member

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    OVTuned
    No, I woudn't say it feels like ECT on a stock tune, more like something in between, shift points aren't as high as ECT and they are smoother, but much different than stock. It really does feel like it you would think the stock, original tune from Toyota should have been IMO.
     
    PhogDog and Shellshock like this.
  10. Feb 4, 2019 at 5:17 PM
    Brent2014

    Brent2014 Well-Known Member

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    Do you like it better than ect?
     
  11. Feb 4, 2019 at 5:22 PM
    airsickbuffa1o

    airsickbuffa1o Well-Known Member

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    I like it better than ECT, it's less aggressive and easier to manage in traffic and slow situations.

    Also worth noting, the developer, Mat, has figured out a way to have ECT active upon start up of the vehicle so you don't have to even push the button. This may be available as a custom tune eventually.
     
    Brent2014 likes this.
  12. Feb 4, 2019 at 5:23 PM
    habanero_taco

    habanero_taco Well-Known Member

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    Oh yeah, definitely, much more refined.
     
    Brent2014 likes this.
  13. Feb 4, 2019 at 5:26 PM
    OVTune

    OVTune [OP] Well-Known Member

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    Was it Rafael or I who mentioned about the forum? I can't recall telling someone to go post on the forum.

    Anyways yes some trucks are experiencing some issues which is why we are working on an update as fast as we can, while having flash manager updated for an easy update.

    Bad idle vibrations can happen from that idle target I posted above. It has not been fixed yet since stock. But it's in the upcoming fix.
     
    hbaade, SigSense, SpeySquatch and 5 others like this.
  14. Feb 4, 2019 at 6:18 PM
    Captndarty

    Captndarty Well-Known Member

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    A simple yes or no would suffice and have been less effort on your part. There isn’t anything on page one that I can tell that talks about the speedometer nor am I going to peruse 1900 pages searching for answers.
     
  15. Feb 4, 2019 at 6:23 PM
    M1Awolf

    M1Awolf Well-Known Member

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    @Captndarty
    At this point the answer is no,the tune will not recalibrate the speedo for tires/gears. Mat did indicate that at some point it might be a possibility but he wants to focus on the performance and drive-ability aspects of the tune
     
    BLUTRD and Captndarty like this.
  16. Feb 4, 2019 at 6:34 PM
    bshammer0

    bshammer0 Well-Known Member

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    Nashville, TN
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    Prinsu, TruckCovers USA, Coverking, OVTuned
    Same here - cruising on the highway (about 2000rpms) my truck was vibrating pretty bad in the steering. It still just seems to be the harmonic vibrations but they can and are impacted by the calibration based on my experience. Some versions had almost no vibes, some had more, stock 17’ ECU more than B04 TSB. I don’t know what variable exists between those such that some introduce or amplify the vibes and some reduce. Mat’s aware and looking into it - likely another random thing that happens on some trucks and not others
     
    BLUTRD likes this.
  17. Feb 4, 2019 at 7:14 PM
    SpeySquatch

    SpeySquatch Function over Form

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    Glad I’m not the only one. I was like, really!!!? Another vibe? Glad it’s just the tune and not something else
     
    BLUTRD and bshammer0 like this.
  18. Feb 4, 2019 at 10:06 PM
    Chipi3s

    Chipi3s Does it rub?

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    Those dyno charts kinda confused me. How much HP to the wheel with 91octane are we putting out? 219hp? Weak :-/ we need boost bad
     
  19. Feb 4, 2019 at 10:25 PM
    SpeySquatch

    SpeySquatch Function over Form

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    Should be able to feel the added torque with the tune update. I’m hopeful of Mat’s progression of the tune.
     
    bshammer0 likes this.
  20. Feb 4, 2019 at 10:50 PM
    Chipi3s

    Chipi3s Does it rub?

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    Maybe.. or maybe not. No replacement for displacement, unless you throw a ton of boost at it. Really liking the idea of a mid size truck putting out some good hp/trq :mudding:
     

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