no its braking system is to small to handle stoping a trailer good luck also the torque is around 105 lb ft.. this isn't much towing capacity, i wouldn't recommend it at all.
tow a trailer yesany vehichle should be able to tow a small trailer See related link for video of Toyota echo pulling trailer.
If you are asking if you can tow with a Toyota echo, the answer is yes. See related link for a video of a Toyota Echo towing a small trailer (and off roading).
http://pdftown.com/2000-2002-Toyota-Echo-Service-Manual.html
See link to related question.
The 2002 Toyota Echo OBD 2 port is under driver side dash next to kick panel
For my 2002 Echo it is 3.7 Liters with a filter change.
3.6 liters
To flush the coolant in a 2002 Toyota Echo you will need to drain it first. Flush with fresh water and then refill with coolant and distilled water.
See related link.
i have a 2001 and it gets about 39-42 mpg
See related link.
http://groups.msn.com/Sorensonbrian/frontbrakepads2002.msnw