NO, you must pump fuel out with a hand pump.
No
There is no fuel tank drain plug.
The gas tank on the 2002 Honda Accord holds 17.1 gal..
no
Yes it does.
NO.
7.3gal
17.1From:http://consumerguideauto.howstuffworks.com/1998-to-2002-honda-accord-4.htm
17.1 Gal.
Inside the fuel tank.
Don't know that there is one. Use a common siphon to empty the tank.
How in the world did you put diesel in your Accord? The nozzle will not even fit. You cannot drain it but you can pump it out. Buy an inexpensive hand pump and get the diesel out. Then fill the tank with gasoline and start the engine. You may have to also drain the fuel lines.