Quote Originally Posted by ahlem View Post
The oil is covering the "hall effect" pickup end of the CPS. The wire connector at the black plastic cover next to the valve cover appears to be real clean. Is it possible to gum up the pickup end?
I doubt it unless the crud contains metal remnants from another issue. Blow all connections with brake cleaner and reconnect unless they are green. My car has a metallic sheen on things behind the AC pump which might be the issue with mine.