Check the Vehicle Emissions 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 )
The Ford 4.0 liter V6 engine has ( 6 spark plugs )
.044 inch for the 3.0 liter in a 2002 Ford Ranger
The 2.3 liter in the Ford Ranger from 1989 to 1997 and the 2.5 liter from 1998 to 2001 use ( 8 ) spark plugs
On a 2002 Ford Ranger : The 2.3 liter Dual Over Head Cam four cylinder engine has ( 4 spark plugs )
.042-.046 In.
On a 2005 Ford Ranger : The 2.3 liter Dual Over Head Cam , four cylinder engine has : ( 4 spark plugs )
There are ( 6 spark plugs ) on the Ford 4.0 liter V6 engine
.044 inch
.042 - .046 inch
( 8 spark plugs ) for your 2001 Ford Ranger 2.5 liter 4 cylinder ( with Fords twin plug ignition system )
( .044 inch ) for the 2.9 liter V6 engine in a 1986 Ford Ranger
Yes ( the 2.3 liter in the Ford Ranger from 1989 to 1997 has 8 spark plugs ) and the 2.5 liter from 1998 to 2001 also has 8 spark plugs