1991 Chevy Lumina speedometer erratic,pick-up sensor has be

1991 CHEVROLET LUMINA
180,000 MILES • 6 CYL • FWD • AUTOMATIC
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919BEECH
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speedometer erratic will vary any where from 10-30 mph some days it might work other days it wont, might work half a day. the pick up has been changed and the problem remained.
Sep 14, 2009 at 7:42 AM
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KHLOW2008
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  • 41,814 POSTS
Hi 919beech,

Thank you for the donation and sorry for the delay in answering.

Did you try to retrieve for trouble codes?
Do you have any issues with engine performance and trans shifting?
Was the VSS replaced new or used?
Sep 21, 2009 at 2:56 AM