Operation CHARM: Car repair manuals for everyone.

Spark Plug: Testing and Inspection

SPARK PLUG INSPECTION




1. Inspect the following and replace the spark plugs if necessary.
- Damaged insulation
- Worn electrode
- Carbon deposits
- If cleaning is necessary, use a plug cleaner or a wire brush. Wipe the upper insulator.
- Damaged gasket
- Burnt condition
- Plug gap

Plug gap: 1.0 - 1.1 mm {0.040 - 0.043 in}