Speedometer reads 30mph to fast


Asked by Feb 10, 2016 at 10:54 PM about the 1990 Buick Skylark

Question type: Maintenance & Repair

What would cause this, or how to fix?

1 Answer


Depends on what system you have, it could be a speed sensor, wrong speedo gear on the end of the drive, speedometer drive motor, worn out speedometer head. This is a general cause I do not know what type of speedometer you have.

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