Yes, you should fill your tire. The fact the other tires all are nominally correct means you should trust your gage.

Modern tires often have reinforced sidewalls that mask the appearance of low pressure. Waiting for a bad wear pattern is not a good plan, as then you'll have an unevenly worn set of tires.

Yes, you should fill your tire. The fact the other tires all are nominally correct means you should trust your gauge.

Modern tires often have reinforced sidewalls that mask the appearance of low pressure. Waiting for a bad wear pattern is not a good plan, as then you'll have an unevenly worn set of tires.