.044 inch for the 3.0 liter in a 2002 Ford Ranger
.042-.046 In.
.042 - .046 inch
.044 inch
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
In a 1997 Ford Ranger : The 2.3 liter four cylinder with Fords twin plug ignition system has ( 2 coil packs ) and ( 8 ) spark plug wires for the eight sparkplugs The 3.0 liter and the 4.0 liter V6 engines have ( 1 coil pack ) and ( 6 ) spark plug wires for the six spark plugs
The 2003 Ford Ranger Owner Guide shows .052 inch to .056 inch spark plug gap for the 4.0 liter V6 engine
www.motorcraft.com shows the spark plug gap for a 1992 Ranger 2.3 L engine as ( .044 inch )
( .044 inch ) for the 2.9 liter V6 engine in a 1986 Ford Ranger
( .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 )
On a 1996 Ford Ranger , 3.0 liter V6 : Check the Vehicle Emissions Control Information ( VECI ) decal , located in the front of your engine compartment ( it will show the type of spark plug to use and the spark plug gap )
The spark plug number that is in my 2003 Ford Ranger XLT is: AGSF34FP - Motorcraft.