inaccurate speedo

1998 VAUXHALL CORSA
130,000 MILES • 4 CYL • 2WD • AUTOMATIC
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DPISADE
  • MEMBER
  • 1 POST
the speedo on my corsa B reads 20mph when in fact its doing 30mph, and 30mph when it is about45mph is it the speedo or the speed sensor?
Aug 11, 2011 at 3:15 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
i would be looking at the sensor.
Aug 11, 2011 at 3:37 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect and test then let us know what happening
Aug 11, 2011 at 3:40 PM
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