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Thread: "limp mode" "warmup mode" runs crap first couple mins startup engine warm already

  1. #1

    "limp mode" "warmup mode" runs crap first couple mins startup engine warm already

    can someone point me in right direction
    with key on cranked up , it seems like it takes at least 3 mins for the ecm to come out of "limp mode" or "start up mode" what ever its doing . its a real pain at the drag strip . with couple mins of driving the vehicle turbo 09 silverado sd tune., its fine , no bogging or nothing but if i crank it up and within 2-3 mins try to wot throttle it itll bog everytime even already at operating temps . not enough fuel . but drive it around couple mins its fine... something i can disable? ,, thanks in advanced

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    13,565
    Post the tune, maybe something you missed.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

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