TerrainForum.net: GMC Terrain Forum - View Single Post - 2019 1.5 turbo FWD - Low speed jerking.
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post #4 of (permalink) Old 09-11-2019, 09:33 PM
tic
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Join Date: Aug 2019
Posts: 199
I agree that the transmission shifts to 9th too soon and i can hear the engine laboring a little at the low rpm at 60mph. That being said, I don't get any jerking, bucking or lurching and IMO this is an unacceptable condition. Yes, the car shifts to 9th for better fuel economy too early and that's not good for the engine but it still shouldn't buck and lurch. Mine doesn't. I do run nothing but premium fuel and that may or may not make a difference?
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