Hi , I am new to the forum and am in need of information about error code P0411 "Secondary air injector system incorrect flow." . Can I resolve this myself , what part do I need and where is this located on my truck? Thank you for the help.The truck is a 2008 Chevrolet Trailblazer,4.2 L straight 6 (inline 6 cyl) . The options are electric windows , seats , air ,cruise control, towing package and auto trans .