The air intake boot from the MAF is fine, no dry rotting or cracks that I can see, the rubber is actually quite supple still, which i'm guessing it may have been replaced with a better part in the past.

The DISA (or intake air adjuster) valve is tight as can be, no flopping either. I may buy a replacement o-ring to make a better seal. I noticed some carbon buildup inside of my intake manifold but nothing crazy.


I'm pretty much out of options unless I take it to my mechanic and see if he can find some problems, I guess for now I'll have to just enjoy the truck, maybe I need to replace my beat to sh!t tires that are old, bald and starting to crack and find that a lot of noises are going away.