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Thread: what afr for autove?

  1. #1
    Lifetime Member mr.prick's Avatar
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    Default what afr for autove?

    what afr should i be averaging to be able to do the autove properly?
    when i program the pcm like the tutorial says i run between 9+10afr
    and the car runs very poorly. so i would like to know what i should be averaging,
    and i`ll make adjustments for that.
    thanks

  2. #2
    Lifetime Member SSpdDmon's Avatar
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    You should set the Open Loop Fueling table to command 14.63:1 AFR when up to temp. Then, set your PE table the way you want (typically 12.5~13.0:1 AFR). The BEN's should take care of the rest.

    **I'm assuming you're running N/A**

  3. #3
    Joe (Moderator) joecar's Avatar
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    After you have done Auto VE, then your actual AFR's should match your commanded AFR's...

    In OL, at any operating point, the PCM selects the richer of B3605 and B3618 (possibly modified by the modifier tables) as the commanded AFR;

    Are your AFR units set to AFR, EQ, or Lambda...?

  4. #4
    Lifetime Member mr.prick's Avatar
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    i set it up like that but i still run 9-10afr.
    i`m doing something wrong.
    yes n/a.

  5. #5
    Joe (Moderator) joecar's Avatar
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    Post your tune (Go Advanced->Manage Attachments)...




  6. #6
    Lifetime Member TAQuickness's Avatar
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    After making the first drive, have you applied the BEN factor corrections to the tune, reflashed, then re-logged?


  7. #7

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    Is the wide band working properly? Who's WB is it and how do you have it configured?

    Is the car pouring black smoke out the back?

    www.redline-motorsports.net

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  8. #8
    Joe (Moderator) joecar's Avatar
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    Which AFR calc pid are you using...?

  9. #9
    Lifetime Member Doc's Avatar
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    Quote Originally Posted by Redline Motorsports
    Is the wide band working properly? Who's WB is it and how do you have it configured?

    Is the car pouring black smoke out the back?

    Ditto...Should be making small furry wooded creatures cry and ALGORE running for his checkbook to decrease his carbon footprint.

    2000 Silverado Full Size 4x4: Forged 6.2, H/C F1R Procharger
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    www.efialchemy.com
    www.greatamericancarwar.com

  10. #10
    Lifetime Member mr.prick's Avatar
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    yes the wideband is working properly,the tutorial says to set
    c2901+c2903 to 1hz, i`m thinking it should be 0hz.
    otherwise i`m stumped.

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