× 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: evap p1440/po440
Posted to Technical Discussion Forum on 11/5/2010

I think the ecm is not commanding vent on or closed. Suspect ecm. Thanks Rich, Login to read more.