Ok I am new to the site... I have a 2004 F150 4x4 with a 5.4 The dang thing sounds like a diesel but of course is gas... It doesnt seem to have any issues other then sounding that way Plenty of power and runs great. Can someone help!!!!

 

Take a look at this video.

This mechanic has many videos about 5.4 3V VCT issues and how to repair them.