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AEM Tuning Questions

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  • Epstein
    replied
    The deal with tps accel maps is that, at least with the Haltech I used, it's in milliseconds. If you increase the injector size, 1ms of fuel is now a lot more than it used to be.

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  • Your Mom
    replied
    the change was from old injectors to newer deachwerks, which screwed everything up.

    someone on aem forums suggested throttle inject correct table. but i don't see many changes made to that in any of the base maps or tunes i have, which makes me think its not usually touched.

    So i made some changes and i go try it out tomorrow.

    Leave a comment:


  • Epstein
    replied
    I don't know the AEM terminology, but it sounds like you've got too much tip-in. That's probably the tps accel fuel map. You need a little more fuel if there's a fast transient in the throttle, but it looks like you have too much. Where did the settings come from that you have in there?

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  • Your Mom
    started a topic AEM Tuning Questions

    AEM Tuning Questions

    i posted this on aem forums too. figured someone on here can help.

    I can post a screen shot if really needed.

    at 2500rpm, .85 psi, tps @ 65%. O2 is 10.4 and defiantly richer cause the car starts to buck.
    at 2500rpm, .07 psi, tps @ 33%. O2 is 12.7.

    For these conditions they both occupy just about the same cell on the map. the only thing different is throttle position. So then my question is which table do i adjust to fix this. boost comp map.

    when the trottle is above 50% and changing quickly it throws in too much fuel.

    is it the dtps accel table in accleration fuel? tip in is such a bitch to get right.
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