IGNITION SYSTEM (FOR J20/H25 ENGINES) 6F2-11
Spark Plug
REMOVAL
1) For H25 engine, remove ignition coil cover.
2) Disconnect ignition coil coupler.
3) Remove ignition coil bolt (1), and then pull out ignition coil
assembly (2).
4) Remove spark plug (3).
INSPECTION
Inspect them for electrode wear, carbon deposits and insulator
damage.
If any abnormality is found, adjust air gap, clean with spark plug
cleaner or replace them with specified new plug.
Spark plug air gap “a” : 1.0 – 1.1 mm (0.039 – 0.043 in.)
Spark plug type :
DENSO K20PR-U11/SK16PR11
NGK BKR6E-11/*IFR5J11
[A] : J20 Engine
[B] : H25 Engine
CAUTION:
When servicing the iridium/platinum sparkplugs (slender
center electrode type plugs), do not touch the center
electrode to avoid damage to it. The electrode is not
strong enough against mechanical force as it is slender
and its material is not mechanically tough.
NOTE:
Under –25°C (–13°F), the spark plugs with an asterisk (*)
are highly recommend for better engine starting perfor-
mance.
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