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Toyota Tacoma 3.4L K-Line ECU Reflash interest

Discussion in '1st Gen. Tacomas (1995-2004)' started by OVTune, Jul 25, 2017.

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  1. Jul 25, 2017 at 10:27 AM
    #1
    OVTune

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    OVTune [OP] Well-Known Member

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    OVTune
    Just curious if we should consider this section of tacoma forums for ECU Tuning (stock ECU) (03-04)

    (end of this year we'd be looking at start)
     
    Last edited: Jul 25, 2017
    OVTune, Jul 25, 2017
    #1
  2. Jul 25, 2017 at 10:57 AM
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    TMFF

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    TMFF Well-Known Member

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    Is it even possible? I thought it was non flashable ROM hence why everyone with the 3.4 uses piggy backs. I have an extra 3.4 auto ECU if you wanted to try with one.
     
    Last edited: Jul 25, 2017
    TMFF, Jul 25, 2017
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  3. Jul 25, 2017 at 11:07 AM
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    Wyoming09

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    Wyoming09 Well-Known Member

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    This should be interesting !!!
     
    Wyoming09, Jul 25, 2017
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  4. Jul 25, 2017 at 12:07 PM
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    vasinvictor

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    vasinvictor Junkie

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    Man I'd give my 2nd oldest kid if you could tune my trans...
     
    vasinvictor, Jul 25, 2017
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  5. Jul 25, 2017 at 12:11 PM
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    Dalandser

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    Dalandser ¡Me Gustan Las Tacos-mas!

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    If you build it, we will come... with fists full of money.
     
    Dalandser, Jul 25, 2017
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  6. Jul 25, 2017 at 12:13 PM
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    vasinvictor

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    vasinvictor Junkie

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    I dunno man, there aren't many modding the 5vz. Perhaps, though, part of that is because the stock ECU hasn't been cracked and tuned successfully. It's sure a stout platform!
     
    vasinvictor, Jul 25, 2017
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  7. Jul 25, 2017 at 12:15 PM
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    Dalandser

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    Dalandser ¡Me Gustan Las Tacos-mas!

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    I know one guy...

    https://www.tacomaworld.com/threads/5vz-rebuild-first-timer-noobtastic-thread.492672/

    Looking to get 190 hp to the wheels with ported and polished heads, headers, and afe filter. MR2 guys that swap them in would be interested as well I imagine.
     
    Last edited: Jul 25, 2017
    Dalandser, Jul 25, 2017
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  8. Jul 25, 2017 at 12:28 PM
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    Wulf

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    Wulf no brain just damage

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    IF possible I think there would be a lot of interest. I'm sure a retune would return more hp/tq per dollar than the basic intake/exhaust mods can
     
    Wulf, Jul 25, 2017
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  9. Jul 25, 2017 at 12:31 PM
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    CanadaToy

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    CanadaToy Well-Known Member

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    What years of 5vz are you thinking? ECU changed a bit over the years. 95.5-97 was very basic. 98 is the easiest to do motor swaps with. 99+ used wideband o2 and different type of MAF. Some 03/04's had drive by wire throttle that was buggy.
     
    CanadaToy, Jul 25, 2017
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    Luv my yota and Dalandser like this.
  10. Jul 25, 2017 at 12:40 PM
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    Dalandser

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    Dalandser ¡Me Gustan Las Tacos-mas!

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    Why is 98 the easiest to do swaps with? Learning as I go...
     
    Dalandser, Jul 25, 2017
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  11. Jul 25, 2017 at 12:43 PM
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    CanadaToy

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    CanadaToy Well-Known Member

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    You can use a 98 M/T ECU with either a manual or an auto harness. if you want to swap to auto one day, get an auto ECU and plug in the tranny. Other years do not have the same pinouts to work that way.

    98 is also S/C friendly.
     
    CanadaToy, Jul 25, 2017
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  12. Jul 25, 2017 at 5:17 PM
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    OVTune

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    OVTune [OP] Well-Known Member

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    We can do the 03-04
     
    OVTune, Jul 25, 2017
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  13. Jul 25, 2017 at 5:39 PM
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    Dalandser

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    Dalandser ¡Me Gustan Las Tacos-mas!

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    :(
     
    Dalandser, Jul 25, 2017
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  14. Jul 25, 2017 at 6:19 PM
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    TMFF

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    TMFF Well-Known Member

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    Stuff and junk and things...
    I'm out mine are 01 and 02.
     
    TMFF, Jul 25, 2017
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  15. Jul 25, 2017 at 6:20 PM
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    vasinvictor

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    vasinvictor Junkie

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    What do you mean you can do 03-04?? Do what?
     
    vasinvictor, Jul 25, 2017
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  16. Jul 25, 2017 at 6:24 PM
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    FirstTimeFirstGen

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    FirstTimeFirstGen Less active than most

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    Not enough to have a build thread.
    I be interested given the following are true:

    1. It's CA legal or can be flashed back to factory easily

    2. It provides a significant power increase with minimal issues or extra strain on components
     
    FirstTimeFirstGen, Jul 25, 2017
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  17. Jul 25, 2017 at 8:31 PM
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    tony2018

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    tony2018 Well-Known Member

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    uugh...03-04's...

    On the flip side, this could fix the buggy drive-by-wire issue for good. So whoever is on the lookout for a 1st gen they have a better advantage.
     
    tony2018, Jul 25, 2017
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  18. Jul 25, 2017 at 8:35 PM
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    TashcomerTexas

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    TashcomerTexas My truck is a whiner

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    :spy:
     
    TashcomerTexas, Jul 25, 2017
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  19. Jul 25, 2017 at 9:29 PM
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    TashcomerTexas

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    TashcomerTexas My truck is a whiner

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    Yeah so on an 03 what would that entail?
    Could that coincide with a 7th injector kit and it's tune? It's for my supercharger.
     
    TashcomerTexas, Jul 25, 2017
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  20. Jul 25, 2017 at 9:47 PM
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    Dalandser

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    Dalandser ¡Me Gustan Las Tacos-mas!

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    :D
    [​IMG]
     
    Dalandser, Jul 25, 2017
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