Does your Ford 5.4L or 4.6L gas engine knock, tick and sound like a diesel? It may need new and updated variable cam timing solenoids. The knock sounds just like a lifter that has no oil. As scary as that sound can be, the fix is fairly simple.
These engines are in the F-150, F-250, F-350, E-Series, Thunderbird, mustang, Explorer, Expedition, SVT, Crown Victoria, Fairlane, Mercury Mountaineer, Grand Marquis, Cougar, Lincoln Continental, Towncar, Navigator from 1994, 1995,1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
New Ford part numbers are: 8L3Z-6M280-B (VCT Solenoid) and 3L3Z-6C535-AA (Seals)