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Mercury Topaz Speedometer Is Not Working

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my Mercury Topaz has a speedometer that doesn't work?

While there are a variety of reasons your Mercury Topaz speedometer is not working, the most common 3 are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue.
35%
of the time it's
Vehicle Speed Sensor (VSS)
28%
of the time it's
Speedometer
23%
of the time it's
Electrical Issue

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Related Mercury Topaz Problems

Find the most common driver-reported problems that are to blame when a Mercury Topaz has a speedometer that doesn't work.
The vehicle may lose vehicle speed signal, which can affect speedometer operation and transmission shift quality. mos...