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Thread: crisp part throttle for a day....then "dulls" out...

  1. #1
    Advanced Tuner
    Join Date
    Aug 2010
    Posts
    215

    crisp part throttle for a day....then "dulls" out...

    Just as the title says. After a few miles, part throttle doesn't feel as crisp. I flash it again, (while the motor is still hot) and it's crisp again for a bit, then just feels dull again. I've had this issue forever, just wanted to see if any of you experienced this. 02 sensors?

    2004 Z06
    Ltfs off
    36 lb injectors
    Ls7 exhaust
    Vararam
    Ported tb

    The tune is great WOT, but I've been chasing this "dull" feeling after a day or so" for a few years. Not sure if that's just fuel trims richining up? LTFTS are off.

  2. #2
    Senior Tuner
    Join Date
    Feb 2009
    Posts
    1,931
    Need log and tune if you want help.