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  1. #1

    Default 1996 GMC Jimmy - Hesitation/Sputtering In 3rd Gear

    I have a 1996 GMC Jimmy and everytime the truck is in 3rd gear (somewhere around 40-50mph) the truck seems to have hesitation or a sputtering feeling. When I accelerate up to 55-60mph that hesitation is no longer there. What could be causing this? The truck has 240,000 miles on but still runs really good and has a lot of power.

  2. #2

    Default

    When was the last time you had the transmission fluid changed? Also, is this the original trans and if so has it been rebuilt?
    04 ECSB Custom silver & grey, Soft 8's, BFG KO's, ReadyLift Leveling Kit, Hellwig front sway bar, K&N filter, DeeZee EZ-Down, Rhino liner, Alpine CDE103BT, Rockford 6.5's, 12" V.A.T. Hammer Pro in a Subthump box, Alpine PowerPack amp, Hifonics amp, BackRack w/ 55w 5000k HID KC Daylighters, KC light bar with 4 KC Slimlites, UWS toolbox, Shaved Antenna mod, Black Bowtie, LED backup, license plate, dome lights & 3rd brake light


  3. #3

    Default

    It is the original transmission. Also, it has been quite a while since I have had the transmission fluid changed.

  4. #4

    Default

    Try having the transmission flushed and changing the fluid and see if that alleviates the issue.
    04 ECSB Custom silver & grey, Soft 8's, BFG KO's, ReadyLift Leveling Kit, Hellwig front sway bar, K&N filter, DeeZee EZ-Down, Rhino liner, Alpine CDE103BT, Rockford 6.5's, 12" V.A.T. Hammer Pro in a Subthump box, Alpine PowerPack amp, Hifonics amp, BackRack w/ 55w 5000k HID KC Daylighters, KC light bar with 4 KC Slimlites, UWS toolbox, Shaved Antenna mod, Black Bowtie, LED backup, license plate, dome lights & 3rd brake light


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