Spark Plug: Testing and Inspection

INSPECT SPARK PLUGS




a. Except California Spec.:
Disconnect the high-tension cords from the spark plugs.
b. California Spec.:
Remove the ignition coils.
c. Using a 16 mm plug wrench, remove the 4 spark plug.




d. Using a spark plug cleaner or wire brush, clean the spark plug.
e. Check the spark plug for electrode wear, threads damage and insulator damage.
If abnormal, replace the plugs.

Recommended spark plug:

Except California Spec.
DENSO made K16R-U
NGK made BKR5EYA

California Spec.
DENSO made K16R-U11
NGK made BKR5EYA-U




f. Adjust the electrode gap.
Carefully bend the outer electrode to obtain the correct electrode gap.

Correct electrode gap:
Except California Spec. 1.1 mm (0.043 in.)
California Spec. 0.8 mm (0.031 in.)

g. Using a 16 mm plug wrench, reinstall the 4 spark plug.

Torque: 20 Nm (200 kg.cm, 14 ft.lb)

h. Except California Spec.:
Reconnect the high-tension cords to the spark plugs.

i. California Spec.:
Reinstall the ignition coil.