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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. Jan 21, 2020 at 8:46 AM
    #14881
    OVTune

    #14881
    OVTune [OP] Well-Known Member

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    @ everyone thanks for the link to the post on the MT for sale.
    Would love to add it to the stable right now, just need to clean house first. I am definitely adding one to our development car list.
    A lot of open things to wrap up (turbos, fuel pump control, 2.0, etc). and I know you guys don't want to wait even longer for 2.0 to drop.
     
    OVTune, Jan 21, 2020
    #14881
    CorbinDallas, TacoTim85, CygnusX191 and 4 others like this.
  2. Jan 21, 2020 at 8:52 AM
    #14882
    Kamille.bidan

    #14882
    Kamille.bidan Well-Known Member

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    Anyone else with 91 FOB have a similar experience? I have been on 91 FOB for about two months.

    I havent noticed a decline in performance, but yesterday there was a weird smell on a cold start-up. Smelled like a top fueller or a car with 100+ octane. Kinda scared me.


    Edited for grammar... meant to say haven’t noticed a decline.
     
    Kamille.bidan, Jan 21, 2020
    #14882
  3. Jan 21, 2020 at 8:52 AM
    #14883
    iexc

    #14883
    iexc WerXED BH2.0 AD

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    LOL
    Complete removal of. Rev. Hang will definatly be the cherry On top for me.as for DFCO my guess is it would require a total rewrite of the base code .im pretty sure I am the only one of hundreds to complain about it so don’t think it’s worth it for MAT.
     
    iexc, Jan 21, 2020
    #14883
  4. Jan 21, 2020 at 8:53 AM
    #14884
    OVTune

    #14884
    OVTune [OP] Well-Known Member

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    If it was really cold outside then on cold start the trucks dump a ton of fuel on initial crank and it can definitely stink. This is by OEM design not our tune.


    From the looks of it now.. changing DFCO in the code is just changing the RPM point at which fuel is turned back on. Since this was really hard to find, I'm not going to post publicly what the RPM is. Don't need to give any hints to upcoming competition. However if anyone wants to test, let me know.

    and to be clear the code looks like this >
    Test > RPM > accelerator angle >
    RPM above > (DFCO limit rpm) > Fuel off
    RPM below > (DFCO limit rpm ) > Fuel returned

    When would you want the fueling returned? a super low RPM like 800?    ​
     
    Last edited: Jan 21, 2020
    OVTune, Jan 21, 2020
    #14884
    CorbinDallas, TacoTim85 and Kamille.bidan[QUOTED] like this.
  5. Jan 21, 2020 at 8:55 AM
    #14885
    Kamille.bidan

    #14885
    Kamille.bidan Well-Known Member

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    Makes sense thanks.
     
    Kamille.bidan, Jan 21, 2020
    #14885
  6. Jan 21, 2020 at 9:10 AM
    #14886
    tonered

    #14886
    tonered bartheloni

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    I'd be down for some DFCO testing.

    Agreed. Anything right above idle would be killer.
     
    tonered, Jan 21, 2020
    #14886
    CorbinDallas likes this.
  7. Jan 21, 2020 at 9:11 AM
    #14887
    OVTune

    #14887
    OVTune [OP] Well-Known Member

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    ECU ID?
     
    OVTune, Jan 21, 2020
    #14887
    MOC221_ likes this.
  8. Jan 21, 2020 at 9:11 AM
    #14888
    tonered

    #14888
    tonered bartheloni

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    Sorry. 04B13.
     
    tonered, Jan 21, 2020
    #14888
    MOC221_ likes this.
  9. Jan 21, 2020 at 9:13 AM
    #14889
    Shellshock

    #14889
    Shellshock King Shit of Turd Island

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    somewhere under 1000
     
    Shellshock, Jan 21, 2020
    #14889
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  10. Jan 21, 2020 at 9:26 AM
    #14890
    MOC221_

    #14890
    MOC221_ 3 pedal metal

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    Thanks for stepping up!

    Anyone who spends any time at all in 4lo going down a steep grade, and/or tows with their rig should appreciate this!
     
    MOC221_, Jan 21, 2020
    #14890
    Gvsukids, M1Awolf and tonered[QUOTED] like this.
  11. Jan 21, 2020 at 9:27 AM
    #14891
    tonered

    #14891
    tonered bartheloni

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    :hattip: My pleasure.

    Downhill coasting in traffic also.
     
    tonered, Jan 21, 2020
    #14891
    MOC221_[QUOTED] likes this.
  12. Jan 21, 2020 at 9:30 AM
    #14892
    M1Awolf

    #14892
    M1Awolf Well-Known Member

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    So much this,the lower you can set it the better IMHO
     
    M1Awolf, Jan 21, 2020
    #14892
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  13. Jan 21, 2020 at 9:44 AM
    #14893
    OVTune

    #14893
    OVTune [OP] Well-Known Member

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    I have a file ready for test purpose on 04B13 right now.
    Rev hang and DFCO changed. Everything else stock.
     
    OVTune, Jan 21, 2020
    #14893
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  14. Jan 21, 2020 at 9:47 AM
    #14894
    tonered

    #14894
    tonered bartheloni

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    I can test later today, if you want?
     
    tonered, Jan 21, 2020
    #14894
  15. Jan 21, 2020 at 9:48 AM
    #14895
    OVTune

    #14895
    OVTune [OP] Well-Known Member

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    sure. send a message to Zendesk so we can provide you the file
     
    OVTune, Jan 21, 2020
    #14895
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  16. Jan 21, 2020 at 9:50 AM
    #14896
    tonered

    #14896
    tonered bartheloni

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    Coming your way.
     
    tonered, Jan 21, 2020
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  17. Jan 21, 2020 at 10:14 AM
    #14897
    Comb

    #14897
    Comb Known Member

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    OVTune Verified Purchase
     
    Comb, Jan 21, 2020
    #14897
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  18. Jan 21, 2020 at 10:25 AM
    #14898
    M1Awolf

    #14898
    M1Awolf Well-Known Member

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    I can test as well if you need another.
     
    M1Awolf, Jan 21, 2020
    #14898
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  19. Jan 21, 2020 at 10:25 AM
    #14899
    OVTune

    #14899
    OVTune [OP] Well-Known Member

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    OVTune
    send us a message
     
    OVTune, Jan 21, 2020
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  20. Jan 21, 2020 at 10:31 AM
    #14900
    M1Awolf

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    M1Awolf Well-Known Member

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    Sent
     
    M1Awolf, Jan 21, 2020
    #14900
    tonered and MOC221_ like this.
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