What does the leak detection pump do for your EVAP?
What does the leak detection pump do for your EVAP? What Does the Leak Detection Pump Do? The leak detection pump is the component that often triggers those "Check Engine" warning lights when it detects small leaks that would be hard to see. It is required under federal law as it ensures your evaporative emission system (EVAP) is functioning correctly. How is the service port used in a leak detection pump? Service Port: Used with special tools like the Miller Evaporative Emissions Leak Detector (EELD) to test for leaks in the system. EVAP Purge Solenoid: The PCM uses the EVAP...