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Thread: Base Fuel Table

  1. #1
    Tuner in Training
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    Base Fuel Table

    I always have wondered why the base fuel table has values that are either lambda=1, or lambda=.86 (or .82....whatever you WOT set to), but there is no transition. I know the PCM will interpolate to some degree, but I would think the table would be more precise if it had lambda=1 in the upper left section of the table and lambda=.84 in the lower right section, but also have transition lambda numbers in the middle part of the table that would be lambda= .90, .95, etc. so there was a smooth transition from idle to WOT.

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    you can create that transition, also openloop by tps
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  3. #3
    Senior Tuner
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    I think Sultan is referring to this table. My stock table is 90% all the way down.
    Attached Images Attached Images

  4. #4
    Senior Tuner SultanHassanMasTuning's Avatar
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    i would bring it down to like 50%
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  5. #5
    Advanced Tuner 15PSI's Avatar
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    Another Enrichment Pedal Example

    The enrichment pedal from my blower car. I drive this car daily with no issues.

    Screenshot - 11_2_2016 , 10_33_14 AM.png
    2012 Mustang GT with S/C
    4Runner with S/C
    Turbo/NOS Hayabusa - 320RWHP

  6. #6
    Tuner in Training
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    Quote Originally Posted by 15PSI View Post
    The enrichment pedal from my blower car. I drive this car daily with no issues.

    Screenshot - 11_2_2016 , 10_33_14 AM.png
    My 2005 Mustag GT 4.6 3v does not show the same layout in the FUEL\OPEN&CLOSED LOOP. Doesn't look like there is a Pedal Enrichment option back in 2005. I'll try blending the BASE fuel table and see what the scanner/wideband shows.