03 Cadillac Deville speedometer is all mess up

Tiny
REGGIE 2
  • MEMBER
  • 2003 CADILLAC DEVILLE
  • 108,000 MILES
I have a 03 Cadillac deville. Recently replaced the Catalytic Converter. It was running fine. Now for an unknown reason the speedometer is all mess up. While on the highway, it keeps changing from 60mph then 20mph then 0 while the car is in motion, then it wont pull at all. I have no idea what's going on. Need help fast. Any ideas?
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Friday, March 23rd, 2012 AT 2:29 AM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Start by checking the vehicle speed sensor-
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Friday, March 23rd, 2012 AT 4:06 AM

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