Engine code P0101

Hello everyone! New to the board and I'm struggling with an engine code and could use any help! I have a 2007 Tundra 4.0 V6 and have Been dealing with P0101. This is what I have done so far:

Replaced MAF
Replaced PCV valve
replaced hose clamps that were loose
cleaned air filter, box, hose and all related parts
cleaned throttle body

CEL is still on. Ive also seen where this could be EGR problems, MAP sensor, and or Cat converter problems.
Im not sure my engine has a MAP and I don't think its converter problems. I think its got to be EGR or possible manifold gasket leaks. Any help would be greatly appreciated!!

Thanks

 

Cleaning the MAF sensor with MAF cleaner always works for me to clear that code.

 

Tried both of those this weekend. Ill keep going down the list...

 

I agree with Spvrtan but be very careful when cleaning the MAF sensor as it is easy to destroy the unit doing so.
https://www.tundras.com/threads/diy-maf-throttle-body-and-egr-cleaning-write-up.6293/