On the 4.0L 1994 B4000 it is located on the driver's side valve cover; towards the rear of the engine.
Be aware that it may not have the plastic "L" on it so if you purchase a new one with the plastic "L", soak it in warm water for an hour to soften the plastic then pull the "L" off with a pair of pliers.
corvette 1994
You can find the PCV valve, on the outside of the air cleaner housing. The PCV valve will be attached to the back of the housing.
The 1994 VW Jetta PCV valve is located on the outside of the air cleaner housing. You can find the valve on the back side of the housing.
The Jeep 4.0 did not use a PCV valve. However, there is a fitting on the top of the valve cover at the very back of the engine that serves instead of a PCV valve.
The PCV valve on a 1994 Regal Custom should be located on top of the valve cover. It is a plug in type and is easily changed.
smack in the middle of the valve cover
It is located in the right valve cover.
The PVC valve on a 1994 impala is located on the valve cover. It is close to the dip stick end.
where is the pcv valve located 1994 nissan pick up 4wd 2.4l
on top of valve cover protruding from the connecting hose
Hi- your pcv valve is located right in the center of the valve cover (usually black cover that says Honda on it)
The PCV valve on SOHC 4-cylinder engines is mounted in the oil separator on the left side of the engine; on DOHC 4-cylinder engines, remove the driver's side inner fender splash shield to access the PCV valve; the valve is just behind the coolant bypass hose near the hose clip. - Haynes Repair Manual #36071, 1994-2005 Mazda B2300, B2500, B3000, B4000.