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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (MZI-3.5) >> Spark Plug Inspection >> Visual Inspection

Visual Inspection

  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 Components
    G04969657
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