ltft

  1. J

    Negative LTFT Problems.

    Hey guys I need some help to give some context I have a 2013 tech package ms3 with a BOV, Auto tech HPFP, muffler delete and everything else is stock. I also have a Cobb accesport that I track my car with. I noticed that my ltft goes up into the negatives after I do some pulls. For example when...
  2. M

    New MS3 owner, have some questions regarding KR and LTFT

    Hello! I recently purchased a 2013 MS3 with 76k miles on the clock. The previous owner claimed to have done a full Cobb stage 1+ on the car, but upon further inspection, I noticed the turbo inlet pipe was stock and the airbox shroud was not installed. It does have the rear motor mount, the cone...
  3. D

    14.85 AFR, fuel trims pinned at -.16, knock retard?!

    This is my first post here so I apologize if I mess anything up! (For reference, currently have a jbr stage 2 powerpath intake/turbo inlet, turbosmart 50/50 set to full recirc, corksport hpfp internals, jbr rear motor mount, and a catback exhaust on the car. During the time of the first 3 logs...
  4. Rustyms3

    KR, Negative LTFT, Low Boost

    Okay I'm starting a new thread becuase I've learned alot since I first got my hatchback. I have a 2007 mazdaspeed 3. It has a no name Sri with straightener, Autotech internals, just did a fuel pump seal kit, a tubular header, aluminum flywheel, reproduction factory turbo, egr delete, deleted...
  5. Woodzms3

    Fuel trims pegged at -25 and rich A/F issue

    Hello everyone, need advice on still trying to trouble shoot this problem with negative fuel trims and afr ratio I have 2 other threads about this topic along with smoking issues and stalling out. the smoking and stalling issue was resolved with a newer turbo thanks to some members on this forum...
  6. JohnnyTightlips

    MafCals for Bigger Intakes

    Here are starting mafcals for self tuning or just to get your car on the road. You will want to tweak your mafcal to be more accurate but this is a good place to start. JBR Tru-3.0 Wide Path (3" ID MAF) 0 0 0 0 0 0 0 0 0 0.03 0.05 0.08 0.14 0.19 0.26 0.36 0.44 0.56 0.69 0.83 0.99 1.15 1.35 1.55...
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