Trd supercharged P2196 P2198 Negative fuel trims during fuel cut (deceleration)

2012 Tacoma trd supercharged manual trans getting a P2196/p2198 with negative fuel trims on both banks only when vehicle is deceleration.

Hoping someone on here could share some live data recordings that I can compare to. Looking for stft,Ltft,maf,rpm data while vehicle is idling, lightly accelerating, and decelerating from around 3000 without brakes.

Currrent fuel trims:
Idle: 0 st 10lt
Light acceleration: st 0-3 lt 0-3
Decel st -10 to - 20 lt -18 to - 22

both banks stay close to each other making me want to rule out oxygen sensors/ injectors

Purge valve should cause negative trims at idle you would think.

No fuel in vac line of fuel pressure regulator.

maf sensor reads 5-6g/s which seems high for a 3.5L but I’d need to see someone else’s data to confirm that as being suspect.

my other thought is a vac leak seeing as things smooth out during acceration.

Also looking for recommendations for where I can buy parts for the supercharger kit. Kit was installed 10 years ago and could use an overhaul if I can figure out this issue.