Check your catalytic Converters... If they are clogged it could make an egg smell.... They are covered under Fords 8 year 80,000 mile warranty.. If they are restricted then it could definately make a huge difference in performance.

Good Luck.

John Was 96 Contour Zetec RIP Now 2001 Chrysler 300M.... I Will Have Another Soon... I AM NO TRADER......