Plug Gap Inspection
WARNING: This page is about a different car, the 2005 Mazda RX-8. 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 wire type plug gap gauge when inspecting the plug gap.
- Measure the spark plug gap using wire type plug gap gauge.
- If it is more than the maximum specification, replace the spark plug.
Standard plug gap
- 1.15-1.25 mm {0.046-0.049 in}
Maximum plug gap
- Leading side: 1.5 mm {0.059 in}
- Trailing side: 1.4 mm {0.055 in}