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Thread: O2 sensor tuning with Headers

  1. #241
    Tuner in Training
    Join Date
    Nov 2018
    Posts
    27
    Quote Originally Posted by GHuggins View Post
    Make sure your wideband is right for one. O2 age will effect it too. Integrator needs to be increased to represent the further distance and then lower prop limit some.
    How much increase and decline per table? Would 10% on each table be good?

  2. #242
    Tuner in Training
    Join Date
    Nov 2021
    Posts
    25
    Quote Originally Posted by GHuggins View Post
    Make sure your wideband is right for one. O2 age will effect it too. Integrator needs to be increased to represent the further distance and then lower prop limit some.
    Hi, the wideband is OK, it works fine with other cars. I use the wideband stuck in the exhaust for speed density tuning.

    There's not any integrator table. I read on other threads that it is not available anymore on this ECM.

    What should I change to make it work properly?
    o2sensors.png

    tune file attached.

    Update:
    I tried to lower down the Closed Loop Proportional Base vs. Airflow Mode and also increase Closed Loop Mode vs. Airflow. This did not change anything. I also tried the opposite way - Prop up, and close loop mode down. Also nothing has changed. Still reading lambda around 1.13-1.20

    any idea how to change the delay?
    Attached Files Attached Files
    Last edited by lambda1; 02-06-2023 at 06:41 AM.