Interesting comment from an online board
"Any Ford Truck with a 5.4L Engine The 5.4L 3-valve engines used in Ford Trucks from 2004 to 2010 develop camshaft phaser issues, especially when engines exceed the 100,000 mile mark. The first sig...
Forum Discussion
shadows4 wrote:The two valve motor does not have the issues as the 3 valve motor. You are lucky.colliehauler wrote:shadows4 wrote:Is yours the 2 valve or the three valve motor? My understanding is the 2 valve does not have the cam phaser and the three valve does.
I have a 2004 Expedition with the 5.4 in it. 256,000 miles on it. This is my third high mileage Expedition. Never did an engine repair on any of them. Just my experience.
I talked to a engine rebuilder and there are mod's they do to the motor. He told me oil passages were to small to adequately oil the motor. The cam phaser is a know issue.
Mine is a two valve. The Expedition didn't get the three valve until 2005.
