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Thread: Help with vehicle staying running and cold starts without throttle aid...

  1. #31
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    Quote Originally Posted by statesman View Post
    Your desired airflow table looks better now.

    Okay, here's Mod3. Only small changes, but should reduce the surging.

    Post a log when you've tried it.
    So im just doing another start up log like ive been doing correct?

  2. #32
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    Yes, same as you've been doing, same start up log... same pids. I altered your startup spark as well, so I want to see if it's more inclined to start now.

  3. #33
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by sac811 View Post
    Calc.maft
    Quote Originally Posted by statesman View Post
    Does something look wrong to you?
    I'm sanity checking on the procedure...

    sac811,

    are you using wideband only (I see trims/CL disabled in the log)...?
    if so, what pid are you using to correct the VE table (CALC.WO2BEN)...?

    Just sanity checking

    ( if you use CALC.SELBEN, this will have flat 1.00 spots from LTFT's being zero due to trims/CL being disabled, and this will mislead your efforts )

  4. #34
    Joe (Moderator) joecar's Avatar
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    stateman has you on the right track

  5. #35
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    Quote Originally Posted by joecar View Post
    I'm sanity checking on the procedure...

    sac811,

    are you using wideband only (I see trims/CL disabled in the log)...?
    if so, what pid are you using to correct the VE table (CALC.WO2BEN)...?

    Just sanity checking.
    Yes wideband only and calc.wo2ben

  6. #36
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by sac811 View Post
    Yes wideband only and calc.wo2ben
    Ok, cool... carry on with statesman's instructions.

  7. #37
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    3 cold start attempts this morning (they didn't want to act right as the same file for some reason):

    LS1B_0455.efi
    LS1B_0456.efi
    LS1B_0457.efi

    The last is it running for a bit after throttle aid start.

  8. #38
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    This is a successful start without throttle aid at 40C and the ride home afterwards:

    LS1B_0461.efi

    Mind you, the cold starts in the previous thread were without proper rafig/rafpn for that cold of a start, since the temperature just went from 80 degrees F yesterday to 40 degrees F this morning...hate these weather changes up and down in Louisiana.

  9. #39
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    Unaided start at 40C is good. You will need to redo your RAFIG/RAFPN for those colder temperatures.

    Okay, here's Mod4. A few changes in this one. I think you'll see a good improvement with these changes.
    Attached Files Attached Files

  10. #40
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    Quote Originally Posted by joecar View Post
    I'm sanity checking on the procedure...
    Always good to have an extra set of eyes doing some sanity checking.

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