my vehicle fail state inspection for evap and system 2 can these repair be done by me.
Chevrolet Q&AAsk Your Question
2001 Chevrolet Blazer Question: failed inspection
Answer #1patrick mannion from Greg Solow's Engine Room, June 02, 2011, 15:44Master
No not really. The computer needs to see a certain amount of fuel in the tank, a certain temperature change, the system then checks the evap system by closing solenoids drawing a vacuum in the tank and sees if the vacuum decays and falls away or if everything is working correctly. A repair shop will use a machine that generates non flammable inert gas into the fuel tank system and makes it easier to find leaks.