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Thread: afr % error histogram

  1. #1
    Tuner in Training
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    Jul 2010
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    afr % error histogram

    how do I do this, everytime I try it just said it's not supported or something like that. I have a wideband and hpt pro.

  2. #2
    Senior Tuner Google's Avatar
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    Sep 2010
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    you have to log commanded afr and wide band afr in the table display.

  3. #3
    Advanced Tuner
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    Jul 2010
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    and afr error.
    1994 Mazda Miata turbo, aero, hoosiers Class=SSM

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  4. #4
    Senior Tuner 5_Liter_Eater's Avatar
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    Nov 2005
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    Whenever you get unsupported parameters you're not logging what you need in the table in order to display the histo. So if you were tryint to plot AFR error against the MAF table you would need to log Commanded AFR, Wideband AFR and MAF Frequency. To plot AFR error against the VE table you'd need to be logging Commanded AFR, Wideband AFR, RPM and MAP.
    Bill Winters

    Former owner/builder/tuner of the FarmVette
    Out of the LSx tuning game

  5. #5
    Tuner in Training
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    I figured this out already, but if I was still clueless about it Mr. winters explained it well.

  6. #6
    Tuner in Training
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    Oct 2008
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    Back from the dead. I need to plot afr error. I have map,rpm,actaul wideband in the primary table. How do i get command afr in there?

  7. #7
    Advanced Tuner
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    Jul 2010
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    Search for it. Its been so long I forget if afr error % is its own PID or if you need to make a custom one that does some math to get it.
    1994 Mazda Miata turbo, aero, hoosiers Class=SSM

    Take my drop box referral and we both get an extra 250 Mb free!