PCV valve is located in front of the engine,
behind plastic (long and narrow plastic cover that covers valves and fuel lines).
You need to remove one hex screw that attaches plastic cover to engine and remove plastic cover. You will see pcv valve 3-4 inches to the right of the hex screw that was attaching plastic cover to engine.
Once removed you will see silver pipe at the end of the pipe plugged in engine sits PCV valve. PCV valve plugged into engine by it's mettalic side, so only plastic side is visible.
Easiest way to understand how PCV valve sits is to buy new valve in auto parts store, remove plastic cover that covers fuel lines in front of engine and find a part that looks like PCV valve.
typically in the valve cover.
In the middle of the valve cover nearest the firewall.
The PCV valve is located in the back of the lower intake manifold. It should have a 3/8" hose going from the PCV valve to a vacuum source on the upper intake manifold.
The PCV valve is located on the backside valve cover, its towards the drivers side of the valve cover, tough to get at not much room, just changed mine.
where is the pcv valve on a 1992 f150 with 5.0 liter
Passinger side valve cover.
Valve cover
the pcv is located under the fuel injection plenum, towards the back of the engine as opposed to some newer models that have this valve located in the front of the engine on the valve cover
Directly behind the power steering pump. There is a 5/8th hose, pull up from valve cover.
If you have a 3.3L the PVC valve is located under the alternator.
The PCV valve is located in the valve cover
Most GM PCV valves fit into a rubber grommet in the rocker cover and are connected to the throttle body by a hose.