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Subaru Forester 2001 Service Manual page 8

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SPARK PLUG

Ignition

D: ADJUSTMENT

S181003A01

Clean spark plugs in a sand blast type cleaner.

Avoid excessive blasting. Clean and remove car-

bon or oxide deposits, but do not wear away por-

celain.

If deposits are too stubborn, replace plugs.

After cleaning spark plugs, recondition firing sur-

face 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 new spark plug if this area is worn to

"ball" shape.

IG(DOHC TURBO)-7

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