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Home >> Mazda >> 2006 >> 6 Mazdaspeed >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (L3 With TC) >> Spark Plug Inspection >> Visual inspection
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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: Inspecting Spark Plug
        G04318029Courtesy of MAZDA MOTORS CORP.
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