I check mine by first letting my TPMS system pick up the tires, then taking it's reading, then going and checking each tire to see how far each of the sensors are off, if any. That way I'm checking not only the tire pressure, but also to make sure the TPMS is accurate.
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2020 Montana 3790RD Legacy EditionOnan, TST TPMS, TrailAir pin, Discs,
2013 F350 DRW 4x4 CC LBViair 10007, Ride-Rites, Westin HDx, 12k Smittybilt
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