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Thread: $OD A/E Help

  1. #76
    Fuel Injected!
    Join Date
    May 2011
    Location
    Montana
    Age
    47
    Posts
    155
    Quote Originally Posted by Rally Smith View Post
    Hey guys, I'm back. So a few weeks ago I got a new fuel pump that is rated at 30 psi. I am getting plenty of pressure now. I adjusted it to 16 psi and made changes in the tune to recognize the new pressure. I have data logged more and have the numbers pretty close for now. When I first start up and drive while in Open Loop it will go Rich while I am on the gas and come back when I back off of it. After into Closed Loop, I can give it some gas and it doesn't really go rich at all. I have adjusted the AE/TPS % and AE/MAP #'s too. With my laptop hooked up, I press on the gas a bit and see it is in AE for just a very short time, but when in C.L. it goes a bit lean.
    When reading the XDF it says that the AE/TPS% is only active for a 10th of a second or so then the AE/MAP takes over for the next 2 seconds or so. When in the AE/MAP should the computer still show in AE?
    With that being the case, do I just need to keep adding to those tables? If so, what problems am I going to have when it's in O.L.? I haven't check the pressure under load at the TBI yet but assume it's going to drop a little. Should the fuel pressure drop at all when the gas is increased? That is a bunch of questions again, but I very much appreciate your guys's help.

    Thanks,
    Rick
    The fuel pressure looks good when under load.

    What about the rest of my questions?

    Thanks,

  2. #77
    Fuel Injected!
    Join Date
    May 2011
    Location
    Montana
    Age
    47
    Posts
    155
    Where in OD is there to adjust A/E in Open Loop? When I first start up and leave, pressing the gas pedal just slightly my Gauge shows very Rich. In the 9's.

    Thanks,

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