What's a PVC? Perhaps you mean PCV (Positve Crankcase Ventilation) valve.
www.motorcraft.com shows the spark plug gap for a 1992 Ranger 2.3 L engine as ( .044 inch )
The spark plugs are all identical so are interchangeable
Disconnect the battery to the vehicle, remove the spark plug cables and boot covers, and remove the old spark plugs. Next, carefully put in the new spark plugs, attach the boot covers and spark plug cables and reconnect the battery.
2.3 liter ( 140 cubic inch ) SOHC 4 cylinder
4 in the inline 4 cylinder and 6 in the V6 engine.
The 1992 model had 8 for sure: 4 for power and 4 for "waste spark." The 1991 model is probably the same and uses the EEC-IV system with OBD-1.
On a 1992 Ford Ranger , 2.3 L four cylinder : It has the Electronic Distributorless Ignition System ( EDIS ) and has ( 8 ) spark plugs and ( 8 ) spark plug wires The ( 2 ) coil packs are numbered : ( 3 - 1 ) ( 2 - 4 ) exhaust side / passenger side of engine ( 4 - 2 ) ( 1 - 3 ) spark plug wires cross over top of engine to intake side / driver side front of engine
8 spark plugs
Most times you will find them in the cylinder heads buit if yours are gone then the gremlins are back!
According to one of Fords websites : For a 1992 Mercury Topaz , 2.3 litre four cylinder engine : ( the spark plugs are gapped at .054 inch )
Should only take 4 From 1989 the 2.3 liter 4 cyl DIS (Distributorless Ignition System) 100 hp engines used 2 plugs per cylinder or 8 sparkplugs Gap was .044 It does take 8 spark plugs on all 4 cylinder Rangers from 1989-forward (4 on the exhaust side, 4 on the intake side).
There are six freeze plugs