Here's what I have:
2004 5.4 3v F150
185,000 miles (310K)
SCT Tuner (canned tunes)

I started researching what each of the settings meant in the canned tune. I came to "Fuel richness at WOT" finding that these trucks run lean with a cold air intake I started at a safe 2% with no noticeable changes.

4% = nothing
6% = nothing
I ran it at 10% for about 300kms without any issues. Then I put my summer wheels on (35" All terrains) and I felt the lag.

I bumped it up to 12% and after a few km's threw the P0022 code (Cam shaft over retarded). I've tried going back to stock as well and the code returns.

So far i've only done an oil change (Ford filter and 5w20) and that hasn't helped.

My symptoms are:
Laggy engine in the low RPMS but decent performance when I floor it.
bouncy idle
I don't notice any loud ticking or knocking as mentioned in many threads when it comes to bad cam phasers.

Would swapping the Cam shaft sensors determine anything since they are easy to get at. I'm guessing they may throw different codes if they are bad.

I can send my datalog if anyone is interested in taking a gander.