Chevrolet Astro EVAP Canister

I'm Working On A 2000 Chevy Astro Van With A 4.3. I Put A Fuel Pump In It And After That When You Start It Up And Let It Run For About 5...

This Van Has Had This Same Code Reoccur Every Few Days For The Last Year (since I Bought It). I Was Told That It Was Just Due To A Bad Gas...

I Just Found One Of The Hoses That Have Come Off The Canister And I Tried To See Where It Goes To. The Thechnician At Pep Boys Said...