Dec 09, 2020 · Mustang Forums at StangNet. A Community covering all Years of the Ford Mustang. Promoting the Legend of the Ford Mustang.
Ford 5.4 3V Cam Phaser Fix. A well known problem with the Ford 5.4 3V engines is the dreaded 'phaser rattle' This happens when the variable cam timing phasers can no longer be controlled by the ECU due to wear in the phaser or lack of oil pressure / volume being delivered to them.