HONDA 2003 Civic Hybrid - Owner's Manual - Manual (Page 217)

Put the new spark plug into the
socket, then screw it into the hole.
Screw it in by hand so you do not
crossthread it. Use a wrench to remove the nut
holding the ignition coil. Remove
the ignition coil by pulling it
straight out.
Remove the spark plug with
a five-eighths inch (16 mm) spark
plug socket.
Disconnect the wire connector
from the ignition coil by pushing
on the lock tab and pulling on the
connector. Pull on the plastic
connector, not the wires. 4. 5.
6.
7.
Spark Plugs
Maintenance 214
IGNITION COIL
CONNECTOR LOCK TAB
NUT
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