Welcome! While I don't know if your Camry can coast in neutral, the general idea here is if it can be flat towed it can.
Both the forum owner and I have parents with the 2002 2.4l auto and have made great numbers.
http://ecomodder.com/forum/showthrea...2-a-23818.html
If you threw the normal slew of mods at it (grill block, engine/trans heater, low rolling resistance tires and some underside treatment) 40mpg seems perfectly attainable. If you need any parts or want factory upgrades, I do see this generation from time to time at the
Cash for Junk Cars & Used Parts: Pull-A-Part Auto Salvage in Charlotte and Winston Salem.