2001 OLDSMOBILE SILHOUETTE
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  • 1 POST
Why does my speedometer go haywire and the vehicle downshifts on its own and constantly jerks
Feb 25, 2013 at 8:18 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JDL
  • CAR REPAIR CONTRIBUTOR
  • 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.
Feb 25, 2013 at 8:52 PM
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