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Thread: Alcohol parameters

  1. #1
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    Alcohol parameters

    The dodge calibrations have alcohol tables (even the non flex fuel vehicules).

    I'd be a great feature to active them. (as we do for GM cars).
    Are all mopar cars have a virtual E85 sensor ?

    Mark, have you ever looked at it ?
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  2. #2
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    after comparing flex fuel vs non flex fuel tune.

    Fuel -> Open&Closed Loop -> Alcohol Thresh (30% for flex fuel, 99% for non flex fuel).

    But non flex fuel don't have the 85% line in Fuel->General->FA Stoich parameters. (just 0%)
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  3. #3
    HPT Employee Mark@HPTuners's Avatar
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    Quote Originally Posted by Brice View Post
    after comparing flex fuel vs non flex fuel tune.

    Fuel -> Open&Closed Loop -> Alcohol Thresh (30% for flex fuel, 99% for non flex fuel).

    But non flex fuel don't have the 85% line in Fuel->General->FA Stoich parameters. (just 0%)
    Dodge tends to change table sizes from one OS to the next. Its possible that they reduced that table to a 1x1 for all non flex-fuel calibrations. Not much we can do there.

  4. #4
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    thanks mark.
    By the way, for example the 2011 Jeep Wranger has the 2 columns and is a non flex fuel car.

    Do you think flex fuel calculation activation is possible ? (will try tomorrow)
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  5. #5
    HPT Employee Mark@HPTuners's Avatar
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    Quote Originally Posted by Brice View Post
    thanks mark.
    By the way, for example the 2011 Jeep Wranger has the 2 columns and is a non flex fuel car.

    Do you think flex fuel calculation activation is possible ? (will try tomorrow)
    It may be possible, wouldn't know for sure thought. Would have to try it out.

  6. #6
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    Do you have a 2011 V6 Grand Cherokee tune ? (NGC4A)

    The cherokee is flex fuel and the 2011 wrangler. might be interresting to check the differences. (i've got the 2011 wrangler)stock.hpt
    Last edited by Brice; 09-21-2015 at 04:31 PM.
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  7. #7
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    no, ethanol % is zero. (maybe a sensor or an hidden parameter)
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  8. #8
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    I'm still on the flexfuel capabilities stuff.
    I'm tuning currently a 2012 RAM 4.7 Flex fuel from factory.
    It doesn't seems to have a E85 sensor.
    My goals is to use the OS on a 2012 5.7 ram (non flex fuel) to activate the flexfuel capabilities. (both ngc4a ecm)
    Any experience on flashing Other Os ? (bricked ecm ? vin change / Skim).

    Any plan to release on a custom OS ?
    Last edited by Brice; 10-21-2015 at 07:38 PM.
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  9. #9
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    Quote Originally Posted by Brice View Post
    Any plan to release on a custom OS ?
    No.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  10. #10
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    Quote Originally Posted by Brice View Post
    no, ethanol % is zero. (maybe a sensor or an hidden parameter)
    32.8% LTFT......great scott!

  11. #11
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    yes 32.8% LTFT as E85 in the tank and 0% alcohol detected ... (so still 14.1 afr commanded)
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  12. #12
    hi,
    did you find a solution? I'm trying to made my own car flexfuel. I have a 2005 Chrysler 300C hemi with a NGC3 pcm. It have alcohol tables to. I compare my tune with a 2004 grand cherokee 4.7 V8 wich is flexfuel from factory and have a NGC3 to. There are some difference. FA table on my car tune are also 1x1, how can I do to make the same 4x1 FA table that I saw in 4.7V8 tune?
    thanks

  13. #13
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    Look and see if a custom OS is available at the top in the menu. Some are available now. Can't help much beyond that.

  14. #14
    Thanks, which menu shall I look at?

  15. #15
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    The custom OS menu.

  16. #16
    This menu?
    thanks
    OS.png

  17. #17
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    Yes. Looks like it's not available or there would be something there.

  18. #18
    It sucks... thanks for info.
    Do you know if I can write the 4,7v8 tune ( I will modify it with 5,7 parameters) on my 5,7 pcm without break it?

  19. #19
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    Hi, anyone have a 2011 ram 5.7 tune file for e85 ? thanks.