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Subaru 2002 Impreza - Page 223

Subaru 2002 Impreza
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IGNITION
SPARK PLUG
D: ADJUSTMENT
Clean the spark plugs in a sand blast type cleaner.
Avoid excessive blasting. Clean and remove the
carbon
or
oxide deposits, but do not wear away
porcelain.
If
deposits are
too
stubborn, replace the plugs.
After cleaning the spark plugs, recondition the firing
surface of electrodes with file. Then correct the
spark plug gap using a gap gauge.
Spark plug gap:
L
0.7
-
0.8
mm
(0.028
-
0.031
in)
S6M0412A
NOTE:
Replace with a new spark plug
if
this area is worn to
“ball” shape.
IG(D0HC TURBOJ-7

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