That is the rubber boot that is on the end of the spark plug wire that goes onto the spark plug.
Remove rubber boot. Pull off plug. Twist light bulb 1/4 turn and bulb should come out.
Give the spark plug boot a twist to free it from the spark plug then pull it off of the spark plug by the boot.
.o44 and some are .043.
On a 2.0L it is top leftside of the valve cover. It is a yellow handle that sometimes is broken off and it's just a little plug looking thing on the valve cover.
Twist boot then pull, this will break the seal from the plug.
This motor has no distributor. It has a coil pack for each spark plug. There is no condenser.
There is a plug under the car that must be removed. It is located on the upper side of the transmission. Fill until lube comes out the hole.
.60
Firing order 1-3-4-2
.060 of an inch
.060 Inch
0.060 inches