How To Perform An EVAP Smoke Test To Look For Leaks

Evaporative emissions systems leaks are an incredibly common problem on today's vehicles. Finding where the leak is actually occurring can be very difficult. Using a smoke machine and properly performing an EVAP system smoke test can make this much easier. In this video, I share the process I use when it comes to smoke testing. Enjoy! 0:00 - Intro 0:23 - Why Smoke Test 0:48 - Our Smoke Machine 3:24 - Verify Smoke Flows 4:15 - Hook Up To Test Point 7:00 - Close Vent Solenoid 7:35 - Monitor Fuel Tank Pressure 9:35 - Monitor Flow Gauge 10:28 Saturate System With Smoke 11:11 EVAP Test Recap