check drivers door sticker
or type into search box
tire pressures 03 ford fiesta
there is a max pressure on side of tire and its up to driver to adjust for wear any pressure you find wil be recomended pressures so 30 to 35 pounds a good starting point then you watch tire wear and adjust since not every car is drove the same way not all tires the same so you learn how to read tire wear and adjust for it
