faulty speedometer

1995 ACURA LEGEND
285,000 MILES • 6 CYL • 2WD • AUTOMATIC
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K8IVERSON
  • MEMBER
  • 2 POSTS
My speedometer stopped being accurate. If I want to go about 35, I need to show 28 on the speedometer. It is pretty consistently off in this way. (I'm basing this on road signs that show your speed). It does seem that once I get to around 60, it is more accurate (but I'm basing this on flow of traffic in the slow lanes). Odometer and RPM's seem accurate
Dec 14, 2010 at 11:04 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Have you checked the vehicle speed sensor? Is the trans shifting properly?
Dec 14, 2010 at 11:19 AM
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K8IVERSON
  • MEMBER
  • 2 POSTS
The transmission shifts fine. I haven't had the vss checked.
Dec 14, 2010 at 11:41 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The vss is the first thing I would have checked. It is what creates the signal for the speedo.
Dec 14, 2010 at 5:10 PM
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