Tires can leak up to one pound per square inch (PSI) per month. Tire pressure also responds to changes in temperature. In warm weather, air molecules expand and increase the tire pressure. In cold weather, the opposite happens. Since tire pressure can change quickly, All drivers should know how to check their tires’ pressure. The instructions below will show you, ”How to test the health of tire air pressure.” 1. GET A RELIABLE TIRE PRESSURE GAUGE You can buy analog and digital tire pressure gauges. Either type can give you accurate pressure readings. You should, however, compare product reviews before you spend money on a tire pressure gauge. You will likely find that some work better than others. Many experts … Continue reading How to Check Tire Air Pressure