Where is oil sending unit located on a 2002 Ford Ranger with 3.0 engine?
The oil sending unit on a 2002 Ford Ranger with a 3.0L engine is located on the bottom of the oil pan. It's a small sensor, often cylindrical in shape, screwed into the oil pan itself. You'll likely need to get underneath the truck to see it. Be aware that oil will likely drip when you remove it, so be prepared.