2000 Chevrolet Express Speedometer Jumps 30 40 Mph Soon You Take Offand Trans

136,000 MILES
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ANONYMOUS
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speedometer jumps to 30- or 40 mph as soon as you take offand trans. runs through all gears quickly
Feb 7, 2013 at 3:12 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Have the vehicle speed sensor checked out
Feb 7, 2013 at 3:30 PM
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