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.
The 2002 Grand Vitara EGR valve is located on top of the engine. The EGR valve will be between the engine and the battery.
I think they are also refering to a fuel pressure regulator but not sure.
Idle air control valve found on Tue backside of throttle body.
to turn the abs light off
The early 4.7 engine in the grand cherokee,dakotas,and rams have had problems with cylinders on the rear left of the engine,starting with a knocking then overheating and seizing .
Through the cap in the middle of the valve cover.
in the valve body which is inside the transmission.
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.
You have to take the valve cover off and count.
Under the hood on the passenger side towards the back of the engine compartment.
Depending on how bad the leak is, not long. You could starve the engine for oil and ruin the engine, and the oil leaking off the engine will get on the rubber front-end parts and cause deteriation.( EX: rubber grommets). Plus it leaves a mess every place you park. Valve cover gaskets are cheap compared to oil!!
It is the Positive Crankcase Ventilation (PCV) valve.