i think they are back up plugs for the fout that run the truck normally
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 takes ( 8 ) spark plugs , with Fords twin plug ignition system The 3.0 and 4.0 liter V6 engines each take ( 6 ) spark plugs
The 2.5 liter 4 cylinder , that has Fords twin plug ignition system , takes ( 8 ) spark plugs
There are ( 6 spark plugs ) for the 3.8 liter V6 engine in a 2000 Ford Mustang
There are ( 6 spark plugs ) for the 3.8 liter V6 engine in a 2000 Ford Mustang
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 )
.042-.046 In.
The spark plug gap, for your 2000 Subaru 2.5 liter engine, is .007. Most spark plugs will be pre-gapped by the spark plug manufacturer.
Check 2carpros.com/forum/. There is some interesting help there.
( .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 )
The spark plugs should be gapped between .042-.046".
The 2000 Toyota Avalon spark plugs can be located on each side of the engine. The spark plugs will be near the bottom of the engine. There are three spark plugs on each side.