Open the hood of the car and find the idle air control valve. The valve is located on the Gran Marquis' throttle body. The idle air control is a cylinder with a wire connector plugged into it. If needed, refer to your repair manual for an exact diagram.
Read more: How to Clean the Idle Air Control Valve in a 2001 Grand Marquis | eHow.com http://www.ehow.com/how_7649344_clean-valve-2001-grand-marquis.html#ixzz1eqCpBmRx
It is located internally in the Alternator.
In the fuel tank.
Where is it located on the engine
How many o 2 sensors on a 2001 grand marquis
Yes 22's can fit on a 2001 grand marquis!
Can 265 35 22 inch tires fit on a 2001 grand marquis
It's integrated into the LCM (Lighting Control Module), located under the dash just below and to the right of the steering wheel. They are pricey.
Try lower rear of engine on passenger side
On a 2001 Mercury Grand Marquis : The fuel tank is mounted vertically behind the rear seat
there is a coil on each one. remove the coil and there is the plug.
6x8
On a 2001 Mercury Grand Marquis : The electric fuel pump is INSIDE the gas tank ( it is a vertical gas tank located behind the rear seat and the fuel pump is near the top on the side facing towards the rear seat )