About a month ago my 98 contour GL (Zetec) threw out code 1380. Can anyone tell me what parts i need to replace, to fix this? if at all possoble can u give me part #'s?

98 Contour GL
CTA intake
Ford Motorsport 9mm wires
Hightower rear strut tower brace
16" sport edition tekno
removed res. Summit turbo muffler($14.75!)