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Message: <blockquote data-quote="Dachuri" data-source="post: 1186195" data-attributes="member: 23731">The new 3.5L Ecoboost (both high output version in the Raptor and standard version in the F-150) have both port and direct fuel injection, which is supposed to help keep the injectors cleaner than direct injection alone.FWIW, I owned a 2012 Ecoboost for 5 years and almost 50,000 miles and didn't have any challenges with the valves (or any portion of the engine for that matter). I also used Gumout Regane (contains PEA) religiously every 3,000 miles and never drilled a hole in anything. Truck had bald tires, dead battery, leaking rear diff, a broken sunroof track and leaf springs that would shift and clank around with every turn (2 different dealers tried fixing with zero results) when I traded it in for my Gen2, but had I zero problems with the engine while I owned it.</blockquote>