Car just started to idle rough, engine shakes and i smell sulphur? on 2000 Lincoln LS

My check engine lights comes on and off since i bought it in June. At the moment, its off but the sulphur smell and rough idling started today.

by in Manassas, VA on August 29, 2013
1 answer
ANSWER by , August 30, 2013
SCAN CODES AND POST SO WE CAN ADV.POSS MISFIRES