I think they are also refering to a fuel pressure regulator but not sure.
The PCV valve on the 1995 Jeep Grand Cherokee Laredo V6 engine is on the oil filler tube. It is on the top of the engine.
Idle air control valve found on Tue backside of throttle body.
to turn the abs light off
in the valve body which is inside the transmission.
The 2002 Grand Vitara EGR valve is located on top of the engine. The EGR valve will be between the engine and the battery.
It is the Positive Crankcase Ventilation (PCV) valve.
The transmission solenoids are inside the transmission on top of the valve body.
4.0L does not have a PCV valve, it uses an orifice in the rear of the valve cover.
Doesn't have one.
V8, yes. I6, no. The I6 uses an orifice not a valve.
Questions with 'Facing your Grand Cherokee Laredo, the pitcock is on the bottom right of the radiator. You should be able to reach around the bottom valance (with the engine cool) and feel the pitcock. It is a small plastic valve and should have a 8" tube (which is too short in my opinion) attached. The valve should turn 3/4 of a turn. If it only turns 1/4 turn you may have to apply slight force.
Jeep transmissions do not have modulator valves