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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 20, 2019 at 10:16 AM
    blkbelt42

    blkbelt42 Well-Known Member

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    lol same here...if I don't hear it and I don't get lights....no concern
     
    SpeySquatch likes this.
  2. Feb 20, 2019 at 10:16 AM
    catastrofe

    catastrofe Well-Known Member

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    How many misfires on stock tune?
     
  3. Feb 20, 2019 at 10:19 AM
    thelifeaquatic

    thelifeaquatic Well-Known Member

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    Plus, @OVTune also said this a while ago..not saying these things shouldn’t or can’t be questioned..just more info.
     
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  4. Feb 20, 2019 at 10:19 AM
    ihatemytruck

    ihatemytruck Professional dumbass

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    OV tuned
    I monitored them before all the talk about em for shits and giggles and curiosity. I definitely wouldn't of known unless I saw it.
     
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  5. Feb 20, 2019 at 10:22 AM
    Deucer01

    Deucer01 Well-Known Member

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    Shouldn't knock count be more concerning than misfires?
     
  6. Feb 20, 2019 at 10:25 AM
    Burmapeak

    Burmapeak Well-Known Member

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    We see misfires all the time here at our shop (not Toyota’s, European cars) However, it’s usually due to a real problem that causes one or more cylinders not to fire. Ignition coil, Sparkplug, Fuel Injector, etc. These need to be fixed. I too am curious at to what’s causing the misfires people are seeing but if it’s not causing a complete cylinder shutdown than it may be chasing a ghost. It can actually be quite frustrating chasing a true misfire when the computer doesn’t want to register it for a period of time.
     
    Deucer01 likes this.
  7. Feb 20, 2019 at 10:27 AM
    OriginalMan

    OriginalMan Well-Known Member

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    Most definitely. However, misfires will cause you to have a bad mpg too. There is a lot at play for a misfire to happen.
     
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  8. Feb 20, 2019 at 10:29 AM
    jstemp

    jstemp Well-Known Member

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    I would think this also. As long as acceleration and driving is smooth what are a few misfires?
     
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  9. Feb 20, 2019 at 10:29 AM
    Deucer01

    Deucer01 Well-Known Member

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    That's all you can download at this point. Mat hasn't released the performance tunes for your ECU yet.
     
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  10. Feb 20, 2019 at 10:30 AM
    BKtaco13

    BKtaco13 Member

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    @Rider4, i think the other ones still arent uploaded yet because i am having the same problem
     
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  11. Feb 20, 2019 at 10:30 AM
    SpeySquatch

    SpeySquatch Function over Form

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    I will say that I installed Spark plugs that were darn near identical to stock .040” gap vs the stock .032” and it drove noticeably worse with horrible gas mileage so make sure you put the exact stock plugs in because it does make a difference in these Lexus engines. I found them the cheapest at Summit
     
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  12. Feb 20, 2019 at 10:32 AM
    OriginalMan

    OriginalMan Well-Known Member

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    @OVTune thank you for the registration key. Thank you for all that you do again.
     
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  13. Feb 20, 2019 at 10:34 AM
    Deucer01

    Deucer01 Well-Known Member

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    Thanks for the reply guys. So then my read on this is if your engine is running smoothly and getting good MPG to not worry about misfires too much.
     
  14. Feb 20, 2019 at 10:37 AM
    OriginalMan

    OriginalMan Well-Known Member

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    It was best if you monitored the stock state of the vehicle before you flashed it so you have a baseline. I would just monitor and if symptoms become more exaggerated then I would raise a ticket to mat. Otherwise, enjoy the tune.
     
    hr206, taco 16 and Deucer01 like this.
  15. Feb 20, 2019 at 10:38 AM
    Deucer01

    Deucer01 Well-Known Member

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    So you can't adjust the gap on these new plugs?
     
  16. Feb 20, 2019 at 10:40 AM
    2017TRDpro

    2017TRDpro Well-Known Member

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    My average morning commute is 20 minutes, say my average RPM is 2,500. I had 9 misfire this morning, all occurred within first 2 miles (cold engine), which is acceptable in my book.

    9 / (20 * 2500) = 0.00018 That's 9 misfire in 50,000 revolutions, which all occurred while engine still warming up. 0.018% misfire occurrences.

    If you really want to get down to the nuts and bolts, every revolution, there is possibility for 6 misfires (6 cylinders), so 9 / (6 * 20 * 2500) = 0.00003. That's 0.003%!

    If you get a handful of misfire while engine is cold, don't worry about it. If you are seeing steady misfire while driving at operating temperature, then start looking. Fuel quality, driving condition, bumpy road, tune, crank position censor, or other sensors, injectors, etc...
     
  17. Feb 20, 2019 at 10:45 AM
    Wixo

    Wixo Very Well-Known Member TTC#0175

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    What martial art do you train btw?
     
  18. Feb 20, 2019 at 10:51 AM
    blkbelt42

    blkbelt42 Well-Known Member

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    Currently...

    Hsing-i
    Ving Tsun
    Eskrima

    Prior to that was: tai chi, baguazhang, black dragon, 7* Mantis, muay thai, iron palm and hapkido(1st style @ 13)
     
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  19. Feb 20, 2019 at 10:53 AM
    Beerpayzdabillz

    Beerpayzdabillz Pastryatarian

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    Sorry to be "thread cop" but please read the blog on OVTune website if you are a newbie. Doing so in place of trying to sort through 2000+ pages of this thread will bring you up to speed. It has good info about what tunes are available, or not available and detailed instructions for install.

    https://www.ovtuned.com/blogs/news/ovtune-tacoma-flash-manager-overhaul

    end of "thread cop". I promise.
     
    commbubba19 likes this.
  20. Feb 20, 2019 at 10:56 AM
    Burmapeak

    Burmapeak Well-Known Member

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    All I’m saying is the misfires I deal with are serious drivability issues caused by a component that has failed. These misfires turn a 4cyl into a 3cyl or 2cyl. A V6 into a 5cyl. or 4cyl. A V8 into a 7cylor a 6cyl. Etc. When one or more cylinders are not firing all hell breaks loose and you know it. The misfires I’m reading about, people seem to not even notice unless the computer monitoring software tells them it happened. So, I could be wrong. Like if you go to the dentist and he or she says “ you have a cavity” and you say “ I don’t feel like I have a cavity”. Well, Do you and it needs to be fixed or don’t you? If I decided to check for misfires and it showed them I personally wouldn’t be concerned unless it caused an actually true misfire being caused by spark or fuel. UNLESS,Mat all of a sudden posted more information on the Toyota Engine & Software explaining why it’s happening and what NEEDS to be done about it to keep the engine from catastrophic failure.
     
    prodemann and Deucer01 like this.

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