There are many areas of concern for a fuel leak. The fuel tank is constructed of a rigid plastic and is fairly unlikely to leak. The fuel pump is housed inside the tank and transfer gasoline through a combination of metal and rubber lines to a filter in the engine compartment. From the filter it enters the fuel rail on the engine. Any unused fuel then navigates through metal and rubber hose back to the tank. There is also an opening in the tank for the fuel filler.
The first thing to do is establish a general area of the leak. Is it at the rear of the car? Front? Middle?
Secondly, does it leak at all times or only when running? A leak that worses when the vehicle is running would indicate the pressure or return lines from the fuel pump are at fault.
Begin by determining the general area and depending on your ambition and tool resources, raise the car and inspect closer. Be sure to be safe and use a jack stand. On older hondas the leak is typically a corroded metal fuel line or brittle rubber line.
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