#
SPARK PLUG INSPECTON [L3, AJ]

BME011818110203

## Specification

Item | Engine
--- | ---
L3 | AJ
Type | NGK | ITR5F13 ITR6F13 | -
Motocraft | - | AGSF-32WM

## Plug Gap Inspection

  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.

1. Measure the spark plug gap using the wire type plug gap gauge.

  • If it is more than the maximum specification, replace the spark plug.

  Standard plug gap
  L3: 1.25-1.35 mm {0.049-0.053 in}
  AJ: 1.32-1.42 mm {0.052-0.059 in}

## Cleaning

  Caution

  • To avoid possible damage to the tip, do not use a wire brush to clean the plug.

  Note

  • To avoid possible damage to the tip, use gasoline to clean the spark plugs after removing dirt.

## Visual inspection

1. Inspect the following items:

  • If there is any malfunction, replace the spark plug.

  - Insulator breakage
  - Worn electrode
  - Damaged gasket
  - Badly burned insulator (sparking side)

## Resistance Inspection

1. Measure the resistance of the spark plug using a tester as shown in the figure.

  • If not within the specification, replace the spark plug.

  Resistance
  L3: 3.0-7.5 kilohms [25 °C {77 °F}]
  AJ: 2.0-20.0 kilohms [25 °C {77 °F}]