Where is the oil sending unit on a 1998 Toyota RAV4?

The oil sending unit on a 1998 Toyota RAV4 is located near the oil filter, on the engine block. It is typically situated on the driver's side of the engine, close to the back of the engine near the transmission. To access it, you may need to remove some components or parts for easier reach. Always ensure the engine is cool and the vehicle is securely lifted before attempting any repairs.