What would cause a fuel leak? on 1990 Nissan Pathfinder

My Pathfinder always smells of gas, and when I look underneath, I can see a puddle of gas. What are the most likely causes of a gas leak?

Asked by for the 1990 Nissan Pathfinder
There is a rubber hose on the 3.0L V6 that leaks. It is on the front of engine, between the two injector rails. I just had to replace one on a 1992 Pathfinder. Hope this helps!
what from the tank there is a tube and the rubber want seal
3 more answers
There is a recall on the assembly from the fuel tank to the fill up spout.. They will fix it for free
what would cause a fuel leak?
the filler tube between the filler hole to the gas tamk