2005 Buick La Crosse Speedometer

Tiny
CPOOLE0412
  • MEMBER
  • 2005 BUICK LA CROSSE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 46,000 MILES
Last weekend while driving my car, my speed on the speedometer jumped from 45 to 65 with out my having excelerated. Now when I drive down our local street, speed limit 40, my speedometer shows I am driving 60. If I go 40 everyone passes me. Can you give me a clue to what might have happened and what part I might need to get replaced?
Friday, September 12th, 2008 AT 8:43 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Do u have a check engine light on?

I would suggest the use of scanner to check and determine the speed and if its the cluster and or speed sensor

have it hooked on to a scanner
better then throwing parts at it
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Saturday, September 13th, 2008 AT 6:46 AM

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