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when all tires are inflated properly, they each rotate at the same speed. there are sensors that monitor wheel speed and when one loses air pressure, it rotates at a slower speed at with the sensor then senses and sends that signal to the computer

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Q: How do tire pressure monitors work?
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Is the banded sensor cradle directional in a ford?

If your speaking of the tire pressure monitors, no.


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You can purchase a tire pressure monitor from stores such as Auto Zone. Alternatively, you can purchase these monitors online from retailers such as Amazon.


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Its probably TPMS "Tire Pressure Monitoring System" It means the system that monitors your tire pressure is having issues. Check air in all your tires and if it doesn't go out have your Mech. check it out.


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