What is your question?
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What is your question?
Never had this problem before
What makes this problem better or worse?
Braking better, speeding sends speedometer very high like 15 miles higher
How long has your 1991 Toyota Corolla had this problem?
2 weeks
1 Reply
Hello, speedometer operation is run by a driven gear and speedometer cable. If you've changed tire sizes, this could vary the speed indicated. If not, there could be a concern with the speedometer head. Testing is required.