× 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: 2009 f150 rough idle sometimes
Posted to Technical Discussion Forum on 3/3/2015

Using your scan tool, graph the cam positions and watch what happens. I would imagine one of the cam phasers is sticking, which is causing your problem. Login to read more.