Thats what my thinking was as well. When I changed the PCV it was still working. (jiggle, jiggle)
Only time I can get a cel is when I unplug sensors.


95 Contour GL. Bought new. BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids. Looking for 15" alloy rims-PM me. 180,500km's so far.