2004 Pontiac Grand Prix Speedometer Issue

Tiny
DAVISM
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 85,000 MILES
While driving, my speedometer keeps going higher, although I'm not driving faster. When I do come to a stop, the meter hand does go down to 0. However, within seconds after taking off again, my speedometer is at least at 50miles per hour and I've literally just started driving. Do I need to have my speed signal sensor replaced? If so, how much could the parts and labor costs for a Pontiac Grand Prix GT2?
Monday, March 8th, 2010 AT 11:22 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Most likely the speed sensor (VSS) or the gauge itself.

Check with local parts stores for prices, usually $25-40.


https://www.2carpros.com/forum/automotive_pictures/108325_gp_speed_1.jpg

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Friday, March 12th, 2010 AT 7:27 AM

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