1994 Chevy Cheyenne Speedometer

1994 CHEVROLET CHEYENNE
192,650 MILES • V8 • 2WD • AUTOMATIC
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LIKEAROCK
  • MEMBER
  • 2 POSTS
I was recently passing one of those speed signs (electronic) that tell you how fast you are traveling. The sign told me I was going 25 mph while my speedometer told me I was going 30 mph. I have not put any bigger tires on the truck than the original size. What could be the problem?
May 4, 2008 at 4:05 PM
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MASTERTECHTIM
  • ✓ASE Certified Mechanic
  • 4,750 POSTS
  • ASE Certified Mechanic
not properly calibrated radar detector.
May 4, 2008 at 4:14 PM
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