losing speedometer

2006 FORD F-250
49,850 MILES
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SHORTSTROKE34
  • MEMBER
  • 3 POSTS
hi i have an 2006 f-250 and the speedometer will go up to a 100 mph or 25 mph when the truck is idleing or moving..
Feb 29, 2012 at 12:11 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Have you checked for codes in the computers yet?Also have you checked the speed sensor?
Feb 29, 2012 at 12:18 PM
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SHORTSTROKE34
  • MEMBER
  • 3 POSTS
yes i checked and no codes come up and i checked the speed sensor and everything appears to ok
Feb 29, 2012 at 12:21 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Did you also inspect the wiring to the speed sensor terminal tightness at the speed sensor connector etc?How often does it act up?ALso do you have a multimeter?
Mar 2, 2012 at 11:47 AM
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SHORTSTROKE34
  • MEMBER
  • 3 POSTS
yes i have checked the wirering harness it acts up alot lately im just about ready to buy a new sensor and see what happens
Mar 2, 2012 at 5:47 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Do you have a multimeter to do some testing?
Mar 2, 2012 at 6:56 PM
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