Help! Check engine light doesn´t go off!

Nate4x4Nate4x4 ON, CanadaMember Posts: 8
edited December 2018 in Ford
So I wanted to test out my OBS scanner. I unplugged the airflow sensor from the intake (the clip) and got the check engine light, but after plugging it in back it doesn´t disappear. Is it because I have to delete the code or did I just destroyed everything?

Thanks for help in advance

(and yeah it was stupid I know)
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