06-4-7: Applies to the 4.6L and the 5.4L
If you here it at any rpm it may be a bad Lash adjusters. If it only does it at ideal and clears up at 1200 RPMs or higher then it's the Variable CAM Timing
If your still under warranty cool. If not it will cost over 1K to make it stop.
Last edited by whitecrystal1; 06-01-2007 at 03:22 AM.