evap emission on 2007 Cadillac Escalade

what does evap emission system control small leak code#po442 mean

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
Here is a ton of great info about the P0442 code: http://repairpal.com/OBD-II-Code-P0442