× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Buick EVAP Vac switch
Posted to Technical Discussion Forum on 10/18/2011

evap components are kinda fragile, careful how you test.... purge solenoids, any vehicle, normally closed-. if you use vacuum.... only vacuum applied to intake side of sol, should get no flow until energized. then, carfully apply power and ground, directly to ... Login to read more.