Q: Speedometer not working correctly
My speedometer started messing up today. It sat at zero on the way home, yet when I got on the highway, it flicked all the way up to 120 to 130 MPH. I think I need to replace my speedometer cable and my speed sensor.
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Your assumption sounds about right, either the sensor and or the cable are sending some mixed signals to the dash and it doesn’t know what to do with it. Have a certified mechanic take a look at your speedometer components ensure that this is in fact the problem and make the necessary replacements of the failed parts if necessary.
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