mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Electrical Specifications|Page 2163 > < Electrical Specifications|Page 2161
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Spark Plug: Testing and Inspection

1. Check the following and replace the spark plugs as necessary.

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Damaged insulation

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Worn electrode

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

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Damaged gasket

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Burnt condition

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Plug gap

Plug gap: 

1.0 - 1.1 mm {0.040 - 0.043 in}

Electrical Specifications|Page 2163 > < Electrical Specifications|Page 2161