Got a somewhat mild oil leak. Appears to be coming from the oil temp sensor at the back of the sump/pan. At first, I figured it was simply leaking from the drain/plug, but some looking and feeling, I now suspect it's that oil temp sensor. Looking it up in the Haynes, seems like maybe it could just be a worn washer and not the component (sensor) itself. Any thoughts from you far more experienced owners? I'm guessing this is a fairly common source of a leak. So, I'd appreciate any wisdom!