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Thread: Can't correct very rich AFR at 0% TPS during coast/deceleration.

  1. #1
    Tuner in Training
    Join Date
    Jul 2015
    Location
    Maine
    Posts
    23

    Can't correct very rich AFR at 0% TPS during coast/deceleration.

    Stumped on this one, maybe someone can send me in the right direction. Goes 10 or 11 AFR at 0% TPS, then corrects as soon as throttle is pressed. As speed slows while decelerating at 0% TPS, the AFR slowly gets better until it is fine again at lower speeds. AFR at idle is ok. 3 Bar, LS3, twins, turbo cam, 4L80.
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