Speedometer reading inacurately

Tiny
AVENGERXJ
  • MEMBER
  • SATURN
1996 Saturn SL2. My speedometer is reading consistently inaccurately. It reads about 10-15 mph less than my actual speed, and at a stop it drops below 0 (it would be around -10 if there were negative numbers). Is there a way to recalibrate the speedometer or is it faulty and I should replace the gauge cluster?
Saturday, February 24th, 2007 AT 4:45 PM

3 Replies

Tiny
PEPPERMRJ
  • MECHANIC
  • 1,158 POSTS
The gauges located in the instrument cluster (speedometer, tachometer, fuel gauge, voltmeter and coolant temperature gauge) are not serviceable. The entire cluster must be replaced as an assembly.

If there is no trouble code set I would suspect the guage. If there is a code you will need to test the vehicle speed sensor.

Good luck and let us know.
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Sunday, February 25th, 2007 AT 10:05 PM
Tiny
AVENGERXJ
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Replaced the entire cluster and everything works great.
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Sunday, March 11th, 2007 AT 7:23 PM
Tiny
PEPPERMRJ
  • MECHANIC
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Thanxs for the update. I am glad for the positive outcome.
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Sunday, March 11th, 2007 AT 8:32 PM

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