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Thread: transmission sluggish 4l60e

  1. #1
    Potential Tuner
    Join Date
    Aug 2019
    Posts
    3

    transmission sluggish 4l60e

    Going home from work i need numerous WOT pulls trying to see 2-3rd gear shift... it shifts good all gears and locks up fine... but after i was getting off the freeway and coasted to a stop but i only slowed down to 2 mph and when i tried to accelerate...rpms jumped to like 2600 rpms almost 2700 and the truck didnt pick up speed as usual... after like a 3 or 4 seconds it started picking up speed...what could cause this?



    file attached is a 32 minute file but it happened at like minute 29 with 22 seconds

    then at minute 30 with 14 seconds i started from a dead stop normally like it shouldsunday drive home.hpl

  2. #2
    Tuner
    Join Date
    Dec 2019
    Location
    MS
    Posts
    60
    Check transmission fluid level?

  3. #3
    Potential Tuner
    Join Date
    Aug 2019
    Posts
    3
    checked and its fine im concerning now it might be TCC valve?