Visual Inspection
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the following items:
 Courtesy of MAZDA MOTORS CORP.
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- If any of the following malfunctions are indicated, replace the spark plug.
- Insulator breakage
- Worn electrode
- Damaged gasket
- Badly burned insulator (sparking side)