Why does my speedometer go haywire and the.

Tiny
ANONYMOUS
  • MEMBER
  • 2001 OLDSMOBILE SILHOUETTE
Why does my speedometer go haywire and the vehicle downshifts on its own and constantly jerks
Monday, February 25th, 2013 AT 8:18 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Might be a problem with vehicle speed sensor? Have the trouble codes checked. Some of the national brand autostores will check codes for free. You can check codes youyrself, if you have an olbd2 code reader.
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Monday, February 25th, 2013 AT 8:52 PM

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