electronic purge valve

Can anyone tell me where they hide the electronic purge valve on a W code Vortec V6 in a 95 S-10?
If you have time, could you also tell me what it does?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.