1994 Lincoln Town Car car will not stay running

SOUDS LIKE FIRING ORDER IS OFF, CHECK CHILTON MANUEL FOR FIRING ORDER, WAS THE CAR RECENTLY TUNED UP?CHECK SPARK PLUG WIRES FOR FIRING ORDER, ALSO MAKE SURE ALL PLUGS ARE FIRING, CHECK 1 AT A TIME. HOW? REMOVE WIRE AT ENGINE, 1 AT A TIME, WHEN ENGINE RUNS ERATIC, THERE IS WHERE YOUR PROBLEM IS. CAUTION! UNPLUG WIRE, THEN START ENGINE. SHUT OFF, REPLACE WIRE, THEN REPEAT TO NEXT WIRE. NEVER UNPLUG WIRE WHEN ENGINE IS RUNNING, OR HOLD IN HAND, CARS CAN GIVE OFF 50,000 VOLT OF CURRENT