Figured it was the MAF (or MAP?).
It is the black part on top of the throttle body. Two ways to clean it.
1) Take the screen off the throttle body. Try not to damage that screen. Spray away.
2) Use a torx screw driver to remove it. Clean it. Reinstall.
You could buy a new one ($125) which I did and regret. Should have just cleaned the old one.
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GenV GTP engine, 12" Brakes, CAI, 3" DP, HighFlo Cat, 180 T-Stat, Aeroforce Gauge, Front STB, Stinger Fiberglass hood, Reflective Graphics.