firewall
4 - 8
3 - 7
2 - 6
1 - 5
front
The spark plugs are under the ( 8 ) individual coils
.050 inch
The spark plug gap on '05 s40 is 0.028 if you have the 2.5 liter engine. If you have the 2.4 liter engine then refer to the sticker on the underside of hood for specific gap info.
The specs for BOTH the 2.0 liter engine and 2.3 liter engine are the same: .051 inch or 0021. mm
On a 2005 Ford Ranger : The 2.3 liter Dual Over Head Cam , four cylinder engine has : ( 4 spark plugs )
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of the engine compartment ( it will show the type of spark plugs to use and the spark plug gap )
the owner manual says the gap should be .039 - .043 inches.
It is on the drivers side head, Back by the last spark plug by the cab.
Gap on plugs should be .044" =========================================================== If you have the 3.0 liter " Vulcan " V6 engine( or its flex fuel version ) The 3.0 liter " Duratec " Dual Over Head Cam engine is ( .054 inch ) * confirm with the Vehicle Emission Control Information ( VECI ) decal located in the front of your engine compartment
Factory specs. 0.040
0.060
0.40
In a 2005 Toyota Tacoma : The 4.0 liter V6 engine ( and the 2.7 liter four cylinder engine ) Have a timing CHAIN