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Home >> Subaru >> 2005 >> Outback Limited, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Ignition (H6DO)) >> Spark Plug >> Adjustment

Spark Plug: Adjustment

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Clean the spark plugs using a wire brush.

Clean and remove the carbon or oxide deposits. But do not wear away ceramic insulator at this time. If deposits are too stubborn, replace the spark plugs.

NOTE: Do not use a plug cleaner because the spark plugs are applied with iridium tip.

Spark plug gap L: 

0.7-0.8 mm (0.028-0.031 in) 

Fig 1: Adjusting Spark Plug Gap
G03830760Courtesy of SUBARU OF AMERICA, INC.