Why would my 2001 Buick LeSabre surge in and out around 40-45 like going in and out of overdrive?

2001 BUICK LESABRE
113,000 MILES
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RUSTYQTR
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  • 1 POST
It is like it is kicking in and out . . . almost surging...or lunging.
Jan 24, 2012 at 3:16 AM
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