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Home >> Subaru >> 2003 >> Impreza F4-2.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Adjustments

Spark Plug: Adjustments

ADJUSTMENT




Measure the spark plug gap with a gap gauge, and adjust if necessary.

Spark plug gap: L 1.0 - 1.1 mm (0.039 - 0.043 in)

NOTE: Replace with a new spark plug if area (A) is worn to a rounded shape.