Removal and Installation

Remove the ignition coil. For additional information, refer to IGNITION COIL-ON-PLUG .
NOTE: Only use hand tools when removing or installing the spark plugs, or damage can occur to the cylinder head or spark plug.

NOTE: Remove foreign material from the spark plug well using compressed air.

Remove the spark plug.
- To install, tighten to 12 Nm (106 lb-in).

Inspect the spark plugs.

Item	Part Number	Description
1	-	Deposits bridging spark plug gap
2	-	Wet black deposits (oil fouling)
3	-	Dry black deposits (carbon fouling)
4	-	Normal spark plug
5	-	Pre-ignition
6	-	Overheating
7	-	Fused spot deposits

Fig 1: Defective Spark Plug

G06661106

Courtesy of FORD MOTOR CO.

Check and adjust the spark plug gap as necessary.

Fig 2: \Spark Plug Gap
Courtesy of FORD MOTOR CO.
To install, reverse the removal procedure.