Try adjusting the idle using the idle screw on the butterfly valve of the air intake. It might be that the idle is just set too high. If that doesn't work, try adjusting the timing. If that still doesn't work, try replacing the Throttle Position Sensor, located right above the throttle body.
The thread on cap on the engine coolant reservoir is the " radiator cap " on a 1995 Mercury Grand Marquis
On a 1995 Mercury Grand Marquis : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
In the fuel tank
15 inch
yes
For a 1995 Mercury Grand Marquis , 4.6 liter SOHC , V8 : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
You can find the 1995 Mercury Grand Marquis cigarette lighter fuse in the fuse box. The cigarette lighter fuse will be in the second column, fourth from the bottom.
The 1995 Grand Marquis is a OBD2 and it should be located on driver side under dash
Blown fuse.
For a 1995 Mercury Grand Marquis , 4.6 liter V8 : With engine oil filter change : ( 5.0 U.S. quarts of 5W-30 )
There isn't one. The 1995 Grand Marquis uses a lighting control prossessor. They are very expensive to replace. The part cost me $325.00.
I was not aware that the Grand Marquis came in a manual Transmission! If it was an Automatic Transmission I would say take it to a Transmission Shop and have it looked at.