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Home >> Mazda >> 2007 >> 3 s, 4D Hatchback, 2.3 4, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Ignition System (L3 With TC)) >> Spark Plug Inspection >> Visual Inspection
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Visual Inspection

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  1. Inspect the following items:
    • If any of the following malfunctions are indicated, replace the spark plug.
      • Insulator breakage
      • Worn electrode
      • Damaged gasket
      • Badly burned insulator (sparking side)
        Fig 1: Identifying Spark Plug Inspection Points
        G04859746Courtesy of MAZDA MOTORS CORP.