Check the Vehicle Emissions Control Information ( VECI ) decal
located in the front of the engine compartment ( it will show the
type of spark plugs to use and the spark plug gap )
On a 2005 Ford Ranger : The 2.3 liter Dual Over Head Cam , four cylinder engine has : ( 4 spark plugs )
The specs for BOTH the 2.0 liter engine and 2.3 liter engine are the same: .051 inch or 0021. mm
On a Ford Excursion ( if it has a gasoline engine ) ( the 5.4 liter V8 engine has 8 spark plugs ) ( the 6.8 liter V10 engine has 10 spark plugs )
That would depend on which engine you have in your 2003 Ford Excursion : The 7.3 liter diesel engine doesn't use any spark plugs The 5.4 liter V8 engine has ( 8 spark plugs ) The 6.8 liter V10 engine has ( 10 spark plugs )
The Ford 4.0 liter V6 engine has ( 6 spark plugs )
That depends if you have a gasoline engine On a 2003 Ford F-250 if you have the 5.4 liter gasoline V8 engine it has ( 8 spark plugs ) If you have the 6.8 liter gasoline V10 engine it has ( 10 spark plugs ) If you have the 7.3 liter DIESEL engine it doesn't have any spark plugs
In a 2006 Ford Fusion , gasoline engines : The 2.3 liter four cylinder engine has ( 4 spark plugs ) The 3.0 liter V6 engine has ( 6 spark plugs )
( .050 inch ) - spark plug gap for 1986 Ford Mustang - 5.0 liter engine
The 3.0 liter " Vulcan " V6 engine and the 3.0 liter " Duratec " V6 engine each have ( 6 spark plugs )
( 6 ) for the 4.0 liter V6 engine and ( 8 ) for the 5.0 liter V8 engine
( 6 ) for the 4.0 liter V6 engine ( 8 ) for the 4.6 liter V8 engine
( .044 inch ) for the 2.3 liter four cylinder engine in a 1989 Ford Mustang ( according to one of the Ford websites )