SPEEDOMETER JUMPS BETWEEN 20 AND 40 WHEN STOPPED

  • Tiny
  • Jessy
  • 2002 Ford Taurus
  • 100,000 miles

The speedometer jumps between 20 and 40 mph when stopped. My blinkers also blink double time when the speedometer does this. Also, when I turn my lights on, the car speeds up, and shudders like it is going to die. It does not do this every time, and it just started today.

Saturday, May 5th, 2012 AT 8:53 PM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Check battery cables and all grounds around the battery. Sounds like a bad ground issue

Roy

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Saturday, May 5th, 2012 AT 8:59 PM

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