My speedometer jups up and down when I drive a.

Tiny
ANONYMOUS
  • 1999 CADILLAC STS
  • 175,000 MILES

My speedometer jups up and down when I drive a round 80mph.

Tuesday, February 26th, 2013 AT 9:09 PM

1 Reply

Tiny
MHPAUTOS
  • EXPERT
  • 30,754 POSTS

If electric speedo, may be a faulty speed sensor.

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Wednesday, February 27th, 2013 AT 10:52 AM

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