You're right - not always!
For example, as per the "Related Question" below, the pcv valve on a 3.0 DOHC is down below the egr / upper intake manifold area.
From the "Related Question" for the DOHC pcv valve, there are links to a variety of the model years and engine combinations covering a large number of Taurus / Sables.
the pcv valve is located on top of the valve cover
The PCV valve on a 2004 Ford Taurus should be on the left side of the engine. It plugs into the valve cover at the rear of the cover.
yes, it's in the valve cover
In the back valve cover on the passenger side.
between the back valve cover and the intake manifold
location and replacement of pcv valve and egr valve on 2005 Ford Taurus se
The PCV (Positive Crankcase Ventilation) valve on a 2001 Ford Taurus SES with a 3.0L engine is located on the valve cover. Specifically, it is typically found on the driver’s side of the engine, near the rear of the valve cover. You may need to remove the engine cover or surrounding components for easier access.
The PCV valve on a 3.0 Ford Taurus is on top of the engine. Valve is at the front of the engine and is easily accessible.
back right valve cover See "Related Questions" below for more
To replace the PCV valve on a 2002 Ford Taurus, first locate the valve, which is typically found on the valve cover or near the intake manifold. Disconnect the vacuum hose attached to the PCV valve and remove the old valve by twisting or pulling it out. Install the new PCV valve by pushing it into place and reconnect the vacuum hose. Finally, make sure everything is secured and check for any leaks after starting the engine.
In a 2005 Ford Taurus, the PCV (Positive Crankcase Ventilation) valve is located on the upper part of the engine, typically near the valve cover. You can find it on the driver's side, attached to the intake manifold or the valve cover itself, usually connected by a rubber hose. To access it, you may need to remove any components obstructing your view or reach.
# The PCV valve is located in the valve cover # Detach the hose from the valve then unscrew the valve from the valve cover