Long Term Fuel Trims

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  • 93sc
    Panther Pilot
    • Feb 2003
    • 1585

    Long Term Fuel Trims

    Anyone know how long they take to reset or adjust to a differnt setup? And it's a decent size change.
    Originally posted by 68GTO
    I stand corrected. I was wrong.


    :geeza: Member of WCR inc.Member of Crown Vic PI / Marauder Mafia
  • X32 lARO
    Your Wisdom Is Profound.
    • Oct 2004
    • 2868

    #2
    Manually reset them with a scanner.
    TurkeyLick ItThe Idiot Test Screw Her GentlyPrison SexConcentrationPing Pong Are You Dumb?

    Comment

    • 93sc
      Panther Pilot
      • Feb 2003
      • 1585

      #3
      So do they reset when you flash your PCM?
      Originally posted by 68GTO
      I stand corrected. I was wrong.


      :geeza: Member of WCR inc.Member of Crown Vic PI / Marauder Mafia

      Comment

      • orangefox
        TCS Regular
        • Apr 2006
        • 1603

        #4
        Yep!
        2002 Ford Excursion
        2003 Ford Expedition
        2005 Mercury Mariner
        80' Buick Regal drag car
        88' LX Mustang 5.0
        2010 Yamaha Road Star

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        • 87lxmustang
          NA rocks!!
          • Nov 2003
          • 210

          #5
          Originally posted by 93sc View Post
          Anyone know how long they take to reset or adjust to a differnt setup? And it's a decent size change.
          From the TweeCer manuel, the easiest way is to disconnect your battery and hold your foot on the brake for 30 sec. This will clear all LTM. As far as adapting, from my experience it seems to take a day or two of normal driving.
          87LX hatch 12.635@109.21 Speed Density
          12.259@112.41 Mass air and Stage 1 cam
          311RWH 326 RWT ( 5-1-06) NA
          347 CI 370 RWH 374 RWT (9-1-10) NA

          Comment

          • Mullet Tuner
            TCS Homer
            • Apr 2004
            • 15906

            #6
            It will take a few hours of driving for them to settle.
            Originally posted by Gerald
            black z is a TCS fgt he should sell that z and go buy a blown 87 gt so he could be a true TCS fgt

            Comment

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