Ok my experiance, it's a combo of the PCV valve (or something like that) and the O2 sensor. Ford will fix it if you still have warranty. They fixed mine.
99 Ford Contour SE Sport
Manual V6
SVT front/ rear bumper /w Aussie grille
Jet black
Premier DEH-P740MP head unit
matrix display, plays Mp3s!!
800 watt Kenwood amp
2 12" Polk Audio subs
Blue "euro" headlights
Eibach Pro-Kit springs
17" Enkei RS-5
White Indiglow gages
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