I'm not a mechanic / technician but I believe Fords twin plug ignition system
was used to reduce the vehicle emissions
On a 2002 Ford Ranger : The 2.3 liter Dual Over Head Cam four cylinder engine has ( 4 spark plugs )
The 2.3 liter 4 cylinder engine has ( 8 spark plugs ) , twin plug ignition system The 2.9 liter and 4.0 liter V6 engines have ( 6 spark plugs )
The 3.0 liter and 4.0 liter V6 engines have ( 6 ) spark plugs The 2.5 liter 4 cylinder engine has ( 8 ) spark plugs with Fords twin plug ignition system
The 2.5 liter 4 cylinder , that has Fords twin plug ignition system , takes ( 8 ) spark plugs
On a 2005 Ford Ranger : The 2.3 liter Dual Over Head Cam , four cylinder engine has : ( 4 spark plugs )
( 8 spark plugs ) for your 2001 Ford Ranger 2.5 liter 4 cylinder ( with Fords twin plug ignition system )
The 2.5 liter 4 cylinder takes ( 8 ) spark plugs , with Fords twin plug ignition system The 3.0 and 4.0 liter V6 engines each take ( 6 ) spark plugs
Depends on your engine: 1.0 liter 3-cylinder = 3 spark plugs, 1.3 liter 4-cylinder = 4 spark plugs
Just on the 2.3 liter - 4 cylinder engine ( takes 8 spark plugs ) The 3.0 L and 4.0 L - V6 engines have 1 spark plug per cylinder ( 6 in total )
( 8 ) sparkplugs for the 2.3 liter 4 cylinder engine in a 1997 Ford Ranger with Fords twin plug ignition system
The Ford 4.0 liter V6 engine has ( 6 spark plugs )
There are ( 2 ) sparkplugs per engine cylinder for a total of ( 8 ) sparkplugs on your 1997 Ford Ranger 2.3 liter 4 cylinder with Fords twin plug ignition system