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Self Learning EFI questions

This is a discussion on Self Learning EFI questions within the Computer & Tuning forums, part of the LSx Technical Help Section category; So I have for my motorcycle a power commander with auto tune... basically reads 02 readings and adjusts AFR on ...

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    Self Learning EFI questions

    So I have for my motorcycle a power commander with auto tune... basically reads 02 readings and adjusts AFR on the fly... I saw in a mag this week that the new (or kinda new) dominator by holly does essentially the same thing while also allowing a user with a laptop to fine tune addition settings with the upgraded matching ECU. Or something perhaps I misunderstood what was going on in the article.

    So this new "learning" efi... Is it all the rage? Does it replace tuning as we know it as it adjusts the settings on the fly? Any tested reviews other than paid biased advertisement reviews? Throw me some info here please and thanks.

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    Moderator Cutlass's Avatar
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    I've heard of a few self learning EFI systems. HPtuners even has a self tuning operating system you can buy instead of using the normal tuning procedures. I haven't heard much else about these though.

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    I have heard of the systems, but am not familiar with them. My guess is that the system either comes preloaded with a wide selection of volumetric efficiency tables that it chooses from, or that it creates and populates a custom table, based upon the feedback it receives from the engine sensors, including the O2 readings. Again, just a guess.

    I would note that the PCM in our cars is constantly making adjustments on the fly based upon sensor feedback, however, it is not creating or changing the VE table. That has to be done manually by someone with access to a program like HP Tuners or EFI Live.

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    Moderator Cutlass's Avatar
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    Quote Originally Posted by Cutlass View Post
    HPtuners even has a self tuning operating system you can buy instead of using the normal tuning procedures. I haven't heard much else about these though.
    I think I misspoke here. I was confusing HPtuners Real Time Tuning with something else. HP's RTT is a tune on the fly system instead of flashing and reflashing changes.

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