As you say, at worst you’ll end up with better fuel economy and a slightly firmer butt massage while you drive around, Gary. You won’t notice any difference in tire wear, handling or braking.Īnd even if the temperature drops 50 degrees, you’ll still have 30 psi or more, which should keep your “low pressure” warning light turned off.Īnd if the temperature goes in the other direction, no harm will be done. So, in your case, I’d recommend that you put 35 or 36 psi in the tires and just leave it there. Higher pressure generally is not dangerous, as long as you stay well below the “maximum inflation pressure.” That number is listed on each sidewall, and is much higher than your “recommended tire pressure” of 33 psi, Gary. To find the amount of weight the tire supports, multiply the surface area by the air pressure reading (psi) for that tire. If you remember the Firestone/Ford Explorer fiasco, the aggravating factors that led to many of those flawed tires exploding were heat (high road temperatures) and low tire pressure. 36 psi for 17-inch/35 psi for 19-inch MAZDA CX-3 Tire Pressure.
When tires are deflated, more rubber touches the ground, the tires heat up and you’re in danger of a blowout. MAZDA Tire Pressure Guidelines MAZDA6 Tire Pressure. Low tire pressure always is more dangerous than high tire pressure. For you, 10 percent would be a little less than 30 psi. I’ve been told that most tire-pressure monitoring systems warn you when your tire pressure drops by about 10 percent. So if you fill your tires to 33 psi when it’s 75 degrees out, and it drops to 25 degrees at night, your tires will be at 28 psi. For every change of 10 degrees in the outside temperature, tire pressure changes about 1 psi. It’s always better to go too high than too low with tire pressure, Gary (to a point).Īs you say, tire pressure changes along with the outside temperature. But for safety, when do I need to actually adjust it, in either direction? - Gary If I go with 29 psi, I will have a softer ride and worse gas mileage. My question is: What are the safe high and low limits for tire pressure? I know if I go with 35 psi, I will have a hard ride and better gas mileage. This makes tire pressure difficult to maintain. Where I live, during certain times of year, temperatures can range from a high in the 70s to a low in the 20s and back to a high in the 50s, all within two or three days. My 2017 Toyota Tacoma calls for 33 pounds of air in all four tires.
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