Replacing the Cylinder 7 Coil on a 2011 Crown Victoria Due to a Misfire/P0300 and P0307 OBDII Code

Replaced the cylinder #7 spark plug coil on a 2011 Ford Crown Victoria due to a misfire at highway speed and check engine codes P0300 and P0307.
I spotted oil in the spark plug hole that I thought must be from either a leaky intake manifold gasket or crack in the head, but I'm now thinking it could be either a leaky valve cover gasket or valve cover. Although the debris around the coil boot looked dry, I'm noticing a damp spot on the valve cover when I watch the video.
I test drove the car after making the video and the misfire seems fixed.
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