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Old 04-17-2010, 08:04 AM   #3 (permalink)
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I posted this in the thread previously referenced, but people often don't click links, so I'll repost it for everyone's benefit.

Federal Motor Vehicle Safety Standards;
Tire Pressure Monitoring Systems;
Controls and Displays

When working on TPMS standards, the NHTSA decided not to have over-inflation monitored. This is what they said:

Originally Posted by NHTSA
we are not aware of vehicle safety data reporting over-inflated tires as a significant safety hazard. In addition, available information does not suggest that over-inflation has the same safety implications as under-inflation, which causes heat buildup in a tire, potentially leading to permanent tire damage and sudden failure.
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