My oil warning light and danger signal come on when cornering. It didn't do it when it was idling or driving straight until this morning when it was really cold, but after it warmed up, it only did it when cornering. Im thinking that it may be a sludge build up, and that the oil pickup screen is clogged, and when the oil is still and viscous before it is warmed up, it has more trouble getting through the screen. The engine also clicks as a function of RPM, but it doesnt sound like a knocking. I'm planning on dropping the oil pan this weekend, cleaning out any sludge, and replacing the pickup screen/tube. I'm driving a 2002 9-3 SE with 150k. Does this seem like the right diagnosis?