What is the strong smell of gasoline outside the car of a 1995 Toyota Camry

your didnt say if your car is a 6 cyl of a 4 cyl., if not injectors then possibly pulsation dampner at end of fuel injection rail most likely injectors look by valve cover and smell for stronger smell of raw fuel, then look for wet injector or injectors, then replace before it catches on fire!!

Check the charcoal canister. If it is bad it will cause pressure in the tank. It can build enough pressure to crack the tank or cause a leak at a hose.

what is the charcoal canister !