( .054 inch ) spark plug gap for the 4.0 L - OHV - V6 engine in a 2000 Ford Ranger
( according to motorcraft.com , one of Fords websites )
.042-.046 In.
In a 2000 Ford Ranger : ( the 2.5 liter four cylinder engine , which was the only four cylinder engine offered from the factory for a 2000 Ford Ranger , not like the 2001 model when they started with the 2.3 liter DOHC later that model year )
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 Ford 4.0 liter V6 engine has ( 6 spark plugs )
.044 inch for the 3.0 liter in a 2002 Ford Ranger
i think they are back up plugs for the fout that run the truck normally
( .044 inch ) according to motorcraft.com - one of Fords websites
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
The 2.5 liter 4 cylinder , that has Fords twin plug ignition system , takes ( 8 ) spark plugs
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
On a 2002 Ford Ranger : The 2.3 liter Dual Over Head Cam four cylinder engine has ( 4 spark plugs )
The proper gap for the 2000 2.5L Ford Ranger is .044"