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Showing content with the highest reputation on 12/09/2017 in all areas

  1. mapper

    Closed Loop fuel trims

    Regarding Lambda control error correction table. I spend alot of time to tune these. The base map is adjusted the wrong way around. Because the error correction tables is a % corretion of actual error, you want big corrections like 15% on small errors (0.03 lambda error) and small correction (like 5%) at the biggest error on the table. This is because a fuel film built up first in the ports when big correction are applied. This means it needs several burn cycles to get the whole change applied and measured. This means lambda control applies big changes two or three times for big corrections w
    1 point
  2. immy21

    s15 VCT set up

    Yes, I'v been watching this thread, I have the same issue of cycling VTC on and off as rpm floats around VTC On/off point during cold start. Inj 5 pin (JDM Spec R), can't do 3rd condition, Link software only allows me max 2 conditions. Poncams on stock unopened engine, doesn't idle well if I switch VTC on below idle, I haven't tried to play with tune yet to smooth it with VTC on at idle.. Stock ECU conditions for VTC ON are neutral switch off, TPS voltage high enough for idle 'switch' off and 1050-5700rpm
    1 point
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