Plug Gap Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

To avoid possible damage to the tip, do not adjust the plug gap.
To prevent damaging the tip, use a wire type plug gap gauge when inspecting the plug gap.

Measure the spark plug gap using a wire type plug gap gauge.
- If not within the standard specification, replace the spark plug.
  Spark plug gap
  
  Standard: 1.25-1.45 mm {0.0493-0.0570 in}
  
  New spark plug (reference): 1.25-1.35 mm {0.0493-0.0531 in}