Check Spark Plug
- Remove cylinder's spark plugs
- Visually/physically inspect the following items:
- Damaged insulation, Worn electrodes, Oil or fuel fouled, Loose terminals and cracks.
- Check for plug 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.
- Has a problem been 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.