SPARK PLUG REPLACEMENT
NOTE : This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.
Remove the ignition coils.
Remove the spark plugs with a spark plug socket. IMPORTANT: Remove any water and debris from the spark plug holes before spark plug removal.
Inspect the spark plugs. Refer to Spark Plug Inspection.
Gap the spark plug, using round wire type spark plug gap gage. Adjust the spark plug gap to 1.1 mm (0.043 in).
Install the spark plugs with a spark plug socket. NOTE: Refer to Fastener Notice in Service Precautions. IMPORTANT: DO NOT coat the spark plugs with anti-seize compound. Over torquing could occur and damage to the cylinder head threads may result. Tighten the spark plugs to 18 N.m (13 lb in) .
Install the ignition coils.