as long as the gauge hand stays in between n and l it is nomal if the fan kicks on,as for the oil on the plugs you have a valve cover leak.
What does the code P0190 mean on your 200 Mercury Mistique?
You must remove the fuel tank.
I believe the electric fuel pump is inside the fuel tank
In the passenger compartment fuse panel ( # 27 ) is a light blue color 15 amp fuse for the cigarette lighter
There is either a leak still evident in the system or air in the system or the E-brake is on slightly.
Check out www . motorcraft service . com ( no spaces ) Click on Owner Guides The owners manual ( which includes the fuse panel diagram ) can be viewed on-line
According to the 2000 Mercury Mystique scheduled maintenance guide : ( Inspect at 120,000 miles for the 2.0 liter four cylinder engine ) The Gates website shows inspect at 120,000 miles , replace as needed
they changed it it 1986
2.5 micrograms of Mercury is whats in it , and maybe it has changed
be changed into a gas
changed sterring column changed crank sensor and fuel pump
I believe the lower balljoints can be changed , but the upper control arm assembly with the balljoint has to be changed