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2016+ Toyota Tacoma V6 ECU Tuning Alpha Release

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

  1. Jan 11, 2019 at 12:21 PM
    Double Phister

    Double Phister Punch it Chewie

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    There's throttle plate to accelerator pedal relationships and then there's tip-in fueling that keeps the engine from falling on it's face when there's a sudden increase in airflow that the MAF hasn't measured yet (causing a lean condition). This last item is what I think of when I speak of tip-in. It's the old accelerator pump from the carburetor days. But most people here mean when they push the pedal how does the truck react. Mostly meaning the relationship between the pedal and throttle plate.
     
  2. Jan 11, 2019 at 12:28 PM
    chasenicholas93

    chasenicholas93 Well-Known Member

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  3. Jan 11, 2019 at 12:29 PM
    SpeySquatch

    SpeySquatch Well-Known Member

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    I could see 93 being an upgrade, but it’s not available everywhere and you don’t want to get hosed when traveling...always a compromise
     
    SurfratTX likes this.
  4. Jan 11, 2019 at 12:32 PM
    commbubba19

    commbubba19 Well-Known Member

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    i'd really like to hear an explanation from ovtune regarding the differences between 87 and 91 tunes. my concern is you guys might just be picking up on a placebo effect thinking it's different when it's not.

    'might'

    there very well may be significant differences but usually, an octane difference really only applies to how far timing can be advanced without detonating. this would i think only be seen under high rpm and high load (also low rpm high load) scenarios with aggressive throttle demand. casual driving really shouldn't see any differences unless the throttle mapping is different.

    again, just conjecture here since only mat knows what he changed between the different octane maps. plus there are far more secondary variables.
     
    blkbelt42 likes this.
  5. Jan 11, 2019 at 12:39 PM
    PhogDog

    PhogDog Well-Known Member

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    Yeah odd, I started on 87 and went to 91 and felt a good difference.
     
  6. Jan 11, 2019 at 12:42 PM
    chasenicholas93

    chasenicholas93 Well-Known Member

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    You felt more power and responsiveness with the 91 tune?
     
  7. Jan 11, 2019 at 12:43 PM
    PhogDog

    PhogDog Well-Known Member

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    Yes, definitely
     
  8. Jan 11, 2019 at 12:45 PM
    OVTune

    OVTune [OP] Well-Known Member

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    If anyone who is having issues with their 91 octane tune :
    1. Submit a ticket and let us know your ECU ID, so I can look into which ECU IDs might have some issue between the files.

    We will only get back to people by tickets. Not on here.
     
    ksj, TWTaco, nxcess and 7 others like this.
  9. Jan 11, 2019 at 2:06 PM
    DCSBMurph

    DCSBMurph Active Member

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    Anyone throwing any codes? Running 105 91 tune with 93 in the tank. P117B and P0142 on two separate occasions. Stock truck except for K/N Cai and Hids. Codes popped at idle at normal operating temp in drive. And yes I submitted a ticket. Just seeing if anyone else has seen this before. And before anyone says it I've had the blackhawk intake on the truck since about 1000 miles on the truck. Currently sitting at almost 30k on the clock.
     
    MOC221_ likes this.
  10. Jan 11, 2019 at 2:15 PM
    Trident904

    Trident904 Freelance Gynecologist

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    I had this happen back on 1.02. Clear your DTC's and reflash.
     
    DCSBMurph likes this.
  11. Jan 11, 2019 at 2:35 PM
    MOC221_

    MOC221_ 3rd Gen GinGer StepchilD

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    OVT 1.05 MA 91
    That second code cannot be found in the service manual... typo?
     
  12. Jan 11, 2019 at 2:36 PM
    20tacoma17

    20tacoma17 Well-Known Member

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    Where did you get service manual?
     
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  13. Jan 11, 2019 at 2:37 PM
    MOC221_

    MOC221_ 3rd Gen GinGer StepchilD

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    20tacoma17 likes this.
  14. Jan 11, 2019 at 2:40 PM
    20tacoma17

    20tacoma17 Well-Known Member

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  15. Jan 11, 2019 at 2:45 PM
    bshammer0

    bshammer0 Well-Known Member

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    yeah, looks like the one code is injection related and the other isn't present in the service manual, but seems the P014-range of codes is all related to O2 sensor feedback...


    upload_2019-1-11_16-43-11.jpg
    upload_2019-1-11_16-43-51.jpg
     
    SpeySquatch likes this.
  16. Jan 11, 2019 at 2:49 PM
    lapoltba

    lapoltba Well-Known Member

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    None
    bshammer0 likes this.
  17. Jan 11, 2019 at 2:52 PM
    habanero_taco

    habanero_taco Well-Known Member

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    I gave the 1.05 87 tune a try today after 250 miles on the 91 tune. Initial impressions are, that first, the 87 tune drove nice, no issues in shifting or idle etc, MPG was about 20 with a combo of in town and highway. I can say I felt a noticeable difference in performance, not huge, but you can feel it. 91 definitely make the truck feel a little lighter with a bit more zip in the performance. I'll give the 87 tune more miles to settle in and decide which I like best.
     
    bshammer0 and SpeySquatch like this.
  18. Jan 11, 2019 at 3:05 PM
    bshammer0

    bshammer0 Well-Known Member

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    What octane did you have in the tank?
     
  19. Jan 11, 2019 at 3:11 PM
    DCSBMurph

    DCSBMurph Active Member

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    P0174.... wow dunno how I screwed that one up. And I dont know of any e85 around me. Only go to shell and have only been using 93 for the past few tanks.
     
    bshammer0 likes this.
  20. Jan 11, 2019 at 3:12 PM
    habanero_taco

    habanero_taco Well-Known Member

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    I usually use 89 and on 1.03 and 1.04 I only used the 87 tune, I decided to give 91 a try on 1.05 and so I've been running Costco 91. I have about half a tank of that left and then will fill it with 89 and see how it performs.
     

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