Posted on 9/18/2023
An EVAP test is like a checkup for your car to make sure it's not letting out bad stuff into the air. Understanding what it is and how it works is important. What's the EVAP System? EVAP stands for Evaporative Emissions Control System. This keeps gas fumes from escaping your car's gas tank. During an EVAP test, a mechanic looks for any holes or leaks in this system. How Does the EVAP Test Work? The mechanic first makes sure your gas cap is on tight and then tests your car's fuel system. They even use a machine that blows smoke into your fuel system to find leaks. Tips to Pass the EVAP Test To make sure you pass the EVAP test: 1. Always seal your gas cap tightly. 2. Don't drive your car with an almost empty gas tank. ... read more