Plugs, wires, fuel filter, good coolant flush (and possibly water pump if factory), throttle body cleaning. See if there are any codes stored on the computer.

Also, as a side note, this may be the best time to change out the serpentine belt. They don't last forever. smile

96 Green Mystique
Zetec
ATX
No mods yet (wife's car but I drive it all the time)

"If you want something done right, do it yourself or use an SAE mechanic you can buy beer for."

Ricers are like the mosquito that buzzes in your ear but you can't kill. They just won't go away.