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Thread: PE Mode Controls All Closed-Loop Fueling

  1. #21
    Lifetime Member darcy's Avatar
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    Quote Originally Posted by trimchip View Post
    If this is the case i fing it strange that in my calibration (12206911), the 3605 and 3618 consists of numbers smaller than 1, IE 0,88 multiplied with 14,63= 12,87 AFR.
    Sounds like you're viewing in Lambda, no Equivalence Ratio.

  2. #22
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    The article starts with numbers higher than 1 giving a lower AFR.

    It`s the opposite with mine, tables B3605 and B3618 contains multipliers lower than one.

    Anyway, I`m struggling to obtain auto tune using RTACS on standard calibration file.

    I`ll start a new thread describing the case.

  3. #23
    Joe (Moderator) joecar's Avatar
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    When you view your B3605 and B3618, look in the panel in the upper right, next to Units, what does it say (EQR or Lambda, which one)...?

    See what darcy said above.

    You already know that Lambda = 1/EQR

    and that Lambda < 1 is RICHER than stoich, and Lambda < 1 is LEANER than stoich

    (and of course, EQR is the inverse).

    B3605 and B3618 are not simply "multpliers", they are EQR or Lambda (depending on how you set Fueling Units in your tunetool).
    Last edited by joecar; April 20th, 2015 at 11:52 PM.

  4. #24
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by joecar View Post
    For non-EFILive people reading this...

    B3618 = PE EQR table
    B3605 = OL EQR table = OLFA table (depending on the fueling units selected in the tunetool)
    B3647 = OL EQR table for COS (Custom Operating System)
    Quote Originally Posted by Dirktdolman View Post
    Can you brake the acronyms down for us slow kids? PLEASE
    DT,

    I only now saw your post...

    PE = Ppower Enrichment
    OL = Open Loop
    EQR = Equivalence Ratio = 1/Lambda
    OLFA = OL Fuel Air
    COS - Custom Operating System (i.e. for PCM).

  5. #25
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by trimchip View Post
    ...

    I suppose 1221256 is a misprint, and that we are actually talking about 12212156

    ...
    It was a typo, I fixed it now on Shawn's behalf (I know for fact that he ran 12212156, I was on the phone with him quite often).

  6. #26
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    Quote Originally Posted by joecar View Post
    When you view your B3605 and B3618, look in the panel in the upper right, next to Units, what does it say (EQR or Lambda, which one)...?

    See what darcy said above.

    You already know that Lambda = 1/EQR

    and that Lambda < 1 is RICHER than stoich, and Lambda < 1 is LEANER than stoich

    (and of course, EQR is the inverse).

    B3605 and B3618 are not simply "multpliers", they are EQR or Lambda (depending on how you set Fueling Units in your tunetool).
    You are right (of course)

    I saw this earlier today when i was reading through the custom OS 2/3 bar tutorial. (It reads Lambda in my setup)

  7. #27
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    Changed it under properties and restarted program.

    Now it shows EQR, and the tables changed to higher than 1

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