2003 f150 5.4 ticking
Hi, I'm looking for help finding out where my ticking noise is. I have 68,000 mi. on the truck. About a week ago I started the truck in the morning and I heard a ticking noise that sounded like the motor. I't did it under load, but not when revving in park. Yesterday I lifted the hood while running and couldn't hear it at all. I ran the throttle by hand and I can hear it only when I snap the throttle quickly. It sound like it's around the egr valve area, not really in the motor.
Now my check engine light is on. The codes P1405, and P0405 are coming up and seem to have something to do with the egr. If anyone has heard of this or has an idea that would help I would appreciate it.