AWSF - 42 C ( copper suppressor spark plug ) .044 inch gap or if you want a platinum plug AWSF - 42 P ( platinum suppressor spark plug ) MOTORCRAFT PART NUMBERS
spark plug gap on 1990 ford ranger 4.0?
.044 inch ( according to motorcraft.com , one of Fords websites )
The Ford 4.0 liter V6 engine has ( 6 spark plugs )
.044 inch for the 3.0 liter in a 2002 Ford Ranger
The 1990 Ford Ranger 3.0 liter V6 engine has a distributor , the 2.3 liter - 4 cylinder and the 4.0 liter V6 have EDIS ( Electronic Distributorless Ignition System )
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
.042 - .046 inch
.044 inch