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Thread: LTFT max out at idle,,, leak??? scan and tune attatched

  1. #1
    Tuner 3rdcoastpowersports's Avatar
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    LTFT max out at idle,,, leak??? scan and tune attatched

    Trying to figure out why my LTFT are maxing out at idle. any guesses?

    I put this in the gen 5 section but I thought I would put in here as well. Any guesses? Truck runs great and doesn't sound like it has an air or exhaust leak but Im not sure.

  2. #2
    Tuner 3rdcoastpowersports's Avatar
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    looks like at 5:19:00min to scan im in fuel cell #15 with 25%stft then at 5:19:90 im in fuel cell #8 with 0%stft's. Why? what do I need to change?