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Cat revs when driving normal

GolabJGolabJ Member Posts: 1
edited March 2023 in Buick

Hi all new here I've got a problem with my lacrosse 2010 every time we drive and we're going in normal speed the engine tends to Revit self up and we would have to pull off the side of the road. Put it in park until it slows down and then continue our journey. What can be causing this?

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