speedometer on 2003 chevy 2500

2003 GMC C2500
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LARRY1189
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I have a 2500 chevy with 120,000 on it. Sometimes when drive the speedometer "sticks" or becomes sort of "jerky." Sometimes it will just stay at a certain point in the gauge. Any thoughts on what to do
Feb 22, 2006 at 10:59 AM
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CHARLEY DION
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I also have the speedometer problem where it will show I am traveling at 70MPH when actually I am only going about 30MPH, them when on the highway it will show a speed of 140MPH and I know I am not going that fast. My local Chevy dealer says it is the speedometer, however since it does work sometimes but not most of the time I am wondering if there is a speed sensor that went bad. I will be intereste to see what the CarPros have to say.
Feb 22, 2006 at 11:26 AM