mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Spark Plug|Specifications|Page 2893 > < Spark Plug|Specifications
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Spark Plug: Testing and Inspection

INSPECTION

Check the following points. If a problem is found, replace the spark plug.
^

Damaged insulation

^

Worn electrodes

^

Carbon deposits
If cleaning is necessary, use a plug cleaner or a wire brush. Clean the upper insulator, also.

^

Damaged gasket

^

Burnt

Plug gap

Refer to the Vehicle Emission Control Information (VECI) decal, located in the engine compartment for spark plug gap.

Spark Plug|Specifications|Page 2893 > < Spark Plug|Specifications