Spark Plug Inspection

Visually/physically inspect the spark plug related to the misfiring cylinder(s) for the following conditions.
- Damaged insulation, Worn electrodes, Oil or fuel fouled, Loose terminals and cracks
- Check for electrode gap: 1.0 - 1.1 mm (0.039 - 0.043 in.)
- Check if the spark plug for the relevant cylinder is lighter in color than the other plugs.
Was a problem found in any of the above areas?
YES
- Repair or replace as necessary. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to next procedure.