The check engine led is on, and the car smoke smells like sulfur, the stalls (engine power losses) came back again. any suggestions?


_________________________________________________ Contour 98.5 GL V6 Manual, 115,000 KM (actual modifications) magnaflow exhaust K&N induction kit, sport chip, resonator removed. iridium plugs, heat deflector,nology wires, no pre-cats.