Back left,tucked at top and wedged up to the firewall.
The Schrader valve on a 2001 Mercury Cougar is typically located on the fuel rail, which is situated on the engine near the fuel injectors. It resembles a tire valve and is used for checking fuel pressure or releasing fuel pressure before servicing the fuel system. Additionally, it may be found on the air conditioning system for checking refrigerant pressure.
The positive crankcase ventilation valve on a 2002 Mercury Cougar is located on top of the engine; in the valve cover. It removes harmful fumes from the engine.
The evaporator emission system control valve on the 1996 Mercury Cougar is located on the left side of the car. It is in the passenger side headlight area.
Usually on the pass side valve cover
bleeder valve on cooling system
In the valley under the upper intake.
The 2001 Mercury Cougar does not contain Freon. Freon was banned in 1996. I suggest you take this vehicle to someone who has the knowledge, tools, and skill, to repair the A/C system.
The low pressure valve, on your 1995, Mercury, is located on the top of the air conditioning compressor. The low pressure valve should be labeled.
It regulates the pressure coming in and out the egr valve.
the tire pressure sensor is usually the valve where you inflate or deflate your tire. it is made complete with valve
on the back right side connected to the intake manifold close to the firewall
There is no pressure sensor. The EGR valve is located on the head next to the battery. Cleaning it is usuallu the first step if there are any SES codes associated with the valve.