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Thread: Found the backfire/misfire problem!

  1. #21
    Potential Tuner
    Join Date
    Jan 2014
    Posts
    1
    Generally if it backfires through the exhaust its ignition related if it pops through the intake its fuel related.

  2. #22
    Not really, both has matter where backfire goes.
    Eastern and Central Europe American Muscle and Harley-Davidson tuning
    www.hd-customs.pl
    http://www.facebook.com/hdcustomspl

  3. #23
    Potential Tuner
    Join Date
    Aug 2019
    Location
    Quebec, Canada
    Posts
    1
    Hi everyone,

    I have a 4.6 2v with cams, and I just installed a Kenne Bell 2.2 Blowzilla on it.

    Now I'm having this Misfire/Backfire problem...

    Did any of you have any success with any of the options to fix it that were listed in this thread? Open Loop, Right Bank Only, Relocate The Bypass Valve? Or maybe there's some new options?

    I'm not sure what to do... any help would be appreciated

    Thanks