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
  • MEMBER
  • 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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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the fluid level and condition if okay bring it in and have it pressure tested-also have the transmission control module scanned for code/s
Jan 24, 2012 at 3:32 AM
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