There was a discussion a while ago and it seems the variation in digital display pressure is due to altitude. I'm guessing you live at a high elevation. Not at sea level.
42 psi, Goodyear OEM Tires
I run 42 psi in the Goodyear OEM tires. Gauged when cold. It is so hot in this area, ambient temps 108/111 degrees fahrenheit, that the DIC tells me the pressures are 46/49 psi after 10 miles of 65 mph freeway driving. When cold the DIC reading is fairly accurate when checked against an electronic pressure gauge.
What pressure would you run in these conditions when checked with the tires at 72 degrees?
What pressure would you run in these conditions when checked with the tires at 72 degrees?
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