FixVault

Spark Plug Inspection

  1. Remove spark plugs.
  2. Visually/physically inspect the following items:
    • Damaged insulation, worn electrodes, oil or fuel fouled, loose terminals and cracks.
    • Check for spark plug gap: 0.9 - 1.0 mm (0.035 - 0.039 in.)
    • Check if the spark plug for the relevant cylinder is lighter in color than the other plugs.
  3. Have any problems been found?

    YES 

    NO