If you are just replacing the fuel pump you should be able to do that from an access point in the trunk when you let the seat down. There should be a circle cover that is about 4" and should be able to take off a couple of nuts and pop it up to get to the fuel pump. Just to remove the gas tank... make sure you have the car lifted up and take out the two straps holding it in. Disconnect the fuel pump line. disconnect the fill hose. It should drop right down.
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The gas tank on the 2013 Honda Accord holds 17.2 gal..
The gas tank on the 2014 Honda Accord holds 17.2 gal..
The gas tank on the 2006 Honda Accord holds 17.1 gal..
The gas tank on the 2002 Honda Accord holds 17.1 gal..
The gas tank on the 2010 Honda Accord holds 18.5 gal..
The gas tank on the 2007 Honda Accord holds 17.1 gal..
The gas tank on the 2004 Honda Accord holds 17.1 gal..
The gas tank on the 2012 Honda Accord holds 18.5 gal..
The gas tank on the 2005 Honda Accord holds 17.1 gal..
The gas tank on the 2001 Honda Accord holds 17.1 gal..