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2006 Pontiac Grand Prix Odometer

Tiny
CREED5
  • MEMBER
  • 2006 PONTIAC GRAND PRIX
Computer problem
2006 Pontiac Grand Prix 80000 miles

My odometer is showing that I am driving 90mph when I am only driving about 50mph. Is this a computer problem or sensor?
Thursday, February 25th, 2010 AT 12:19 PM

4 Replies

Tiny
TOOOMANYTOYS
  • MECHANIC
  • 513 POSTS
Try tapping on the gauge cluster to see if it moves. If it does it may need a new cluster.
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Thursday, February 25th, 2010 AT 12:23 PM
Tiny
CREED5
  • MEMBER
  • 3 POSTS
Where is this found on the 06 Pontiac Gran Prix?
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Thursday, February 25th, 2010 AT 12:34 PM
Tiny
TOOOMANYTOYS
  • MECHANIC
  • 513 POSTS
It is where you look at the gauges tap on the dash above it and on the plastic cover where speedometer is. To see if needle moves back.
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Thursday, February 25th, 2010 AT 8:45 PM
Tiny
DOGVOM
  • MEMBER
  • 2 POSTS
50 mph = approximately 90 kph so check your speedometer and make sure it's reading MPH. On mine you can change the reading from Kilometers to MPH through the DIC. There should be a red light showing mph on the left side of the speedometer gauge, kilometers per hour will show on the right. A mechanic fiddling with the computer could have switched the reading.
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Sunday, December 5th, 2010 AT 4:47 AM

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