2004 Chevy Impala SPEEDOMETER NOT WORKING

2004 CHEVROLET IMPALA
111,000 MILES • 6 CYL • 2WD • AUTOMATIC
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PITSTOP
  • MEMBER
  • 1 POST
SPEEDOMETER NEEDLE WILL SOMETIMES WORK NORMAL, OTHER TIMES WILL JUST SPIN AROUND, JUST NOT MOVE AT ALL ,OR BE SEVERAL MILES PER HOUR OFF
May 12, 2008 at 8:38 AM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
sounds like you have a cluster issue. you will need a scan tool to check your mph in the pcm when you are driving to compare to the speedo. this will tell you if your speed sensor is reading correctly.
May 12, 2008 at 8:53 AM
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