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Thread: HELP not able to go full gas over 4000 rpm

  1. #1
    Tuner
    Join Date
    Apr 2023
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    Italy
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    HELP not able to go full gas over 4000 rpm

    I have a LZ4 wirh a e38 pcm with t42 automatic control ) but running with manual gearbox even if the map is for auto, turbo mod everything works fine but suddenly I'm not able to go over 4000 rpm if I put full throttle, while at 50% I'm able to go over . (May be i did a remapping in meanwhile)
    The trans think it is in 1 gear but no PNDR detection

    Help me please I'm getting mad (no error reported)
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    Paolo
    Grifun mid engined V6 3500 LZ4 manual trans

  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
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    14,054
    The park and neutral rpm limiter is still set to 4,000rpm. Could be that.

    ECM table 12050.
    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.

  3. #3
    Tuner
    Join Date
    Apr 2023
    Location
    Italy
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    50
    Just found the table!!! thanks!!!!! I'll check
    Last edited by Paoloz; 11-25-2024 at 03:38 AM.
    Paolo
    Grifun mid engined V6 3500 LZ4 manual trans