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What are the possible causes? '07 Torrent

lwakehouselwakehouse Member Posts: 2
edited January 2015 in Pontiac
I have an 07 torrent and starting at a speed of 40mph the car hiccups a lot while trying to accelerate. If I feather the pedal it seems to correct it. And it seems to do it while at a cruising speed with the Rpm at 1100 to 1300. I first thought maybe the TPS sensor was having issues but there are no DTC's to support that theory. What could it be? Please help


  • ray80ray80 Member Posts: 1,655
    Hhmm I believe the torque converter gets engaged at about that speed
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Might need the scan tool here. Telling the difference between a torque converter issue and an engine misfire can be tricky.
  • lwakehouselwakehouse Member Posts: 2
    Okay but why would it lurch when I try to accelerate, while going uphill or on flat ground?
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