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Did you know that your tuner tire pressure increases up to 8 pounds per square inch when running "hot?" A long drive can give you a misleading read on the tire gauge. Don't bleed your tuner tires based on the readings you get during a gas stop. The most accurate tire gauge reading is "cold", which means the vehicle has been sitting for about three hours. You should check the pressure in your spare tuner tire as well, as it loses pressure each month and with temperature drops. Some garages are offering nitrogen as part of the inflating air for your tires, which can slow down the rate of air loss. Ask your mechanic if that option is available in your area.