chevy silverado vent valve solenoid test

how to test vent valve solenoid on any car, test vent valve canister solenoid, how to remove vent valve from canister, how to test a vent valve solenoid on a chevy silverado 1500, where is ny vent valve solenoid located on my car, where is my vent valve solenoid located on my truck, is my vent valve solenoid bad, is my vent valve solenoid failing, is my vent valve solenoid bad, how to check a bad vent valve solenoid, how to test my vent valve solenoid on my chevy, can i replace my vent valve solenoid canister myself