No spark plugs on a diesel
http://www.ford-trucks.com/article/idx/0/100/article/How_To_Change_Spark_Plugs_on_46__54_Liter_F150s.html
( .044 inch ) according to motorcraft.com
Start by changing the spark plugs
2001 Ford Truck F250 Super Duty P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
Ford uses Motorcraft Spark plugs on all there vehicles.
Check the Vehicle Emission Control Information ( VECI ) decal located in the front of the engine compartment . It will show what type of spark plugs to use and the spark plug gap
Does it have spark, fuel, compression?
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment ( it will show the type of spark plugs to use and the spark plug gap )
disconect the coil and remove the 7mm bolt that holds down the coil, remove the coil then plug.
Check the Vehicle Emission Control Information ( VECI ) decallocated in the front of your engine compartment ( it will show thetype of spark plugs to use and the spark plug gap )
are under the coil that is held down by the 7mm bolt. the round black things.