3-12
SPARK PLUG INSPECTION/IGNITION TIMING CHECK
INSP
ADJ
18 Nm (1.8 mkg)
NOTE:
NOTE:
2. Check:
Spark plug type
Incorrect Replace.
Standard spark plug:
DPR7EA-9 (NGK)
X22EPR-U9 (DENSO)
3. Inspect:
Electrode
1
Wear/damage Replace.
Insulator
2
Abnormal color Replace.
Normal color is a medium-to-light tan col-
or.
4. Clean:
Spark plug
(with spark plug cleaner or wire brush)
5. Measure:
Spark plug gap
a
(with a wire gauge)
Out of specification Adjust gap.
Spark plug gap:
0.8 0.9 mm
6. Install:
Spark plug
Before installing a spark plug, clean the gasket
surface and the plug surface.
EB303051
IGNITION TIMING CHECK
Prior to checking the ignition timing, check all
electrical connections related to the ignition
system. Make sure all connections are tight and
free of corrosion and that all ground connec-
tions are tight.