2000 Toyota Camry

Engine Mechanical problem
2000 Toyota Camry 4 cyl Front Wheel Drive Automatic 204768 miles

My engine is leaking from the rear at a pretty good rate went 120 mile and was down two quarts. I need to know where the oil sending unit is on this thing. Is it on back side fo the engine near the firewall? I had noriced a leak but not bad un till I Changed the oil, this vehicle has been maintained as per the schedule with now problems until now.
July 26, 2009.

The oil sending unit is on the front of the head. I would probably jack up the car and see where the oill is leaking from first. If I had to take a guess, it is probably coming from behind the timing cover.

Jul 26, 2009.