WHY DOES MY SPEEDOMETER GO HAYWIRE AND THE ...

2001 Oldsmobile Silhouette

Tiny

Anonymous

February, 25, 2013 AT 8:18 PM

Why does my speedometer go haywire and the vehicle downshifts on its own and constantly jerks

1 Answer

Tiny

JDL

February, 25, 2013 AT 8:52 PM

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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