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2016 OVTune Tacoma 3.5L Manual Transmission / Engine ECU Reflash

Discussion in '3rd Gen. Tacomas (2016-2023)' started by OVTune, Oct 18, 2017.

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  1. Mar 12, 2019 at 2:31 PM
    M1Awolf

    M1Awolf Well-Known Member

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    MOC221_[QUOTED] and Shellshock like this.
  2. Mar 12, 2019 at 2:46 PM
    tonered

    tonered bartheloni

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    Isn't the 91 and 93 tunes where the power bumps really happen? You have to offer a couple choices here because 93 and 94 are not easily located, esp if out on a trip, right?
     
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  3. Mar 12, 2019 at 3:59 PM
    MOC221_

    MOC221_ 3 pedal metal

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    I would try that if we had anything higher than 91 where I live!
     
  4. Mar 12, 2019 at 4:13 PM
    MOC221_

    MOC221_ 3 pedal metal

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    I REALLY REALLY REALLY want to try it out.

    I don't care if it's "for heavy trucks" lol.
     
  5. Mar 12, 2019 at 4:14 PM
    MOC221_

    MOC221_ 3 pedal metal

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    Yes, but that whole conversation I was having with @Shellshock was just crossed wires. I'm tired lol.
     
    tonered[QUOTED] likes this.
  6. Mar 13, 2019 at 12:14 AM
    Garab

    Garab Well-Known Member

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    Whaaaat? What did i miss?
     
  7. Mar 13, 2019 at 2:54 AM
    jewboi

    jewboi Well-Known Member

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    So, I’ve been OVTuned for a couple weeks now. Still loving it. But after the new ness has worn off, I find that it still hasn’t cured all my downshifting woes with this truck. But I have been paying more attention lately and at least know the issue I’m having... hopefully I can explain it well. For the record, this issue may not even be something Mat can fix, I don’t know.

    The accelerator pedal has dead spots, but the issue for me is that they come an go. This is what makes the truck so tricky. Here’s an example, say I’m cruising at 30mph in 3rd gear and approach a turn which I want to downshift to 2nd and take at around 12-15mph. Riding 30mph in 3rd, the accelerator is depressed say ~1” (maybe not accurate but just for this explanation).

    Going through the turn when releasing the clutch after having downshifted to 2nd, all the sudden the pedal has a dead spot for the first ~0.5”-0.75” of movement. Of course this all happens in just a few seconds so sometimes I can’t correct and end up releasing the clutch with no gas given and there’s an audible CLANK from the transmission that I obviously want to avoid.

    The shitty thing is if I am IN GEAR, there’s no dead spot on the pedal. So this is what throws off I think where my foot “naturally” goes to on downshifts. I know where I expect the pedal to be because I know how the truck drives in gear very well, but through downshifts there’s always dead spots and my foot position has to correct. Does anyone else have this issue? Is it me or the truck, honest question?

    Even more annoying is that when you move through the dead spot, it’s like the truck remembers and then makes up for all the missed travel immediately: as in, it’ll sometimes rev high and I’ll have to back off the pedal. So. Fckn. Annoying.
     
  8. Mar 13, 2019 at 3:39 AM
    MOC221_

    MOC221_ 3 pedal metal

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    You are not alone, throttle response when trying to rev match on downshift has always been tricky. It's much better tuned, but still inconsistent. It most certainly depends on how fast you are going.
    Bottom line, I'd like a throttle that reacts exactly the same every time I disengage the clutch, regardless of speed. It should be just as snappy as it is when stopped, clutch in.

    Not dogging on Mat, but this is one of the reasons hands on testing with a M/T truck is needed.
     
  9. Mar 13, 2019 at 3:48 AM
    jewboi

    jewboi Well-Known Member

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    Thanks for the response, I agree. This tune is worth the money already and a huge improvement over stock but I do look forward to the day when Mat gets caught up with the craziness that has followed the tax sale/FM release and has the time to put an MT on the dyno.

    Off the lot, this truck is ‘I wanna drive straight into a lake’ level of inconsistency. Tuned, better, but still a lot to be desired and I think for me personally I notice it the most trying to downshift particularly into 2nd.
     
    Last edited: Mar 13, 2019
  10. Mar 13, 2019 at 3:59 AM
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    Your not alone on this. I have the same issue and I'm running the 87 FOB tune. It's like I have to concentrate to not get the clunk and the rpm flare is wearing thin.

    Have you noticed any preignition?
     
  11. Mar 13, 2019 at 4:09 AM
    jewboi

    jewboi Well-Known Member

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    I’m running 93 FOB but am going to flash to 91 today but keep 93 gas in her and see how she does. But yup exactly man it takes legitimate focus to not get the clunk lol and sometimes I still f it up.

    What does preignition mean?
     
  12. Mar 13, 2019 at 4:38 AM
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    Preignition is pinging. Sound like marbles rattling in a tin can. It usually happens at low rpm when your lugging the motor.
     
  13. Mar 13, 2019 at 6:40 AM
    Shellshock

    Shellshock King Shit of Turd Island

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    In the alpha thread mat said:

    Sounds about right, for now. The new hybrid calibration we are working on splits ignition tables and will use feedback correction from the knock sensor so one can switch octanes without switching tunes. You can expect around the same results as the dyno-jet results we have recently posted
     
    Melmantaco likes this.
  14. Mar 13, 2019 at 8:15 AM
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    Preignition is a very bad thing and will result in engine damage if allowed to continue. Try running a higher octane fuel or change your tune.
     
    2001 4x4 likes this.
  15. Mar 13, 2019 at 11:59 AM
    MOC221_

    MOC221_ 3 pedal metal

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    Do you mean the inconsistency that is currently present in the throttle is dangerous?
     
  16. Mar 13, 2019 at 12:41 PM
    OVTune

    OVTune [OP] Well-Known Member

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    until we can properly address how the throttle is modified per gear / speed / nuetral.. there is not much that can be done. These tables, logic and scenario exists in the stock calibration.

    We are already working on that, it was posted in here a while back. Manipulating code takes time. Regardless of having a test truck or not.
     
  17. Mar 13, 2019 at 1:12 PM
    greenvillebigwheels

    greenvillebigwheels Member

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    I am thinking about getting this tune but its painful to read through all of the pages of off topic posts. Can anyone point me to a video or post that sums up the user experience well? And yes, I have already read the lastest original post but I am looking for quantitative data and not just word of mouth. Thanks.
     
    Boxerocks and fredgoodsell like this.
  18. Mar 13, 2019 at 1:37 PM
    xxtavixx

    xxtavixx Well-Known Member

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    There is a thread that exists soley for this purpose.
     
  19. Mar 13, 2019 at 1:39 PM
    xxtavixx

    xxtavixx Well-Known Member

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    Its in the sticky threads on page 1 of the forum for future purposes
    https://www.tacomaworld.com/threads/poll-ovtune-reviews-3rd-gen.535928/
     
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  20. Mar 13, 2019 at 1:44 PM
    greenvillebigwheels

    greenvillebigwheels Member

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