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  1. #1
    Xtreme Member


    Status
    Offline
    Join Date
    Apr 2012
    Name
    Mike
    Vehicle
    96 Z28, 95 Roadmaster
    Location
    Conshohocken, PA
    Posts
    1,968

    Default OBD2 and unplugged MAF

    I'm not too familiar with OBD2 because I converted my car to OBD1 for datalogging purposes. Is it possible to run a 96-97 car with the MAF unplugged? I tried it on my friend's 96 TA to troubleshoot an issue but the car won't even start. It's pretty close to stock with only a Borla and K&N. I'm wondering if one of the POs tinkered with the tune and disabled speed density.
    96 Z28 - ERE-383, AFRs, 9", Procharger D1, TermiX, etc.
    95 Roadmaster - T56 swap, H/C, suspension (aka The Cammaster)
    95 Firehawk - LE1s, suspension, brakes, HPDE car --> Track Vids

  2. #2
    VIP Member


    Status
    Offline
    Join Date
    Apr 2011
    Name
    KYLE
    Vehicle
    95 MQBM Z28
    Location
    davison michigan
    Posts
    3,874

    Default

    You can't disable speed density . Only enable it by turning it on. Unplugging the maf automatically puts it into speed density .

    The lt1 doesn't reference ve tables when runing a maf so if your volumetric efficiency tables aren't tuned properly it will not run worth a darn

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