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Speedometer goes from 30 mph to over 100 mph

Tiny
ALEC1979
  • MEMBER
  • 2000 VAUXHALL ZAFIRA
  • 1.8L
  • 4 CYL
  • 2WD
  • MANUAL
  • 144,000 MILES
If I drive my zafira up to 30 mph the needle goes up an down fine but as soon as I go over 30 mph the needle shoots up to over 100 mph and then idles at 100 mph when stopped.
Tuesday, May 21st, 2019 AT 2:07 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,884 POSTS
Hello,

It sounds like the vehicle speed sensor has gone out. Lets try replacing it to see what happens. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Thursday, May 23rd, 2019 AT 1:12 PM

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