Best bet in any fuel tank leak is to have the tank replaced
probably a fuel leak somewhere .
For a gas leak a person needs to check the gas line, along with a few other things. They need to check the seals, the pumps, and the fuel filter, to see where it is coming from, and then replace the part.
Fuel leak? Charcoal canister?
The fuel pump diaphragm has broken. Needs new fuel pump.
There may be a fuel leak. This may be serious. Many fires have started because of fuel leaks. Have this vehicle checked for fuel leaks.
fuel pressure regulator
Fuel leak? Defective carbon canister?
Heater core?
Either the "O" rings are bad where the injectors go into the cylinder head or the electrical connector on the injector is leaking.
Bad air filter? Fuel Leak? Plugged converter? Tune-up?
Coolant leak.
Antifreeze leak in a 1999 Jeep may be as a result of a defective water pump or a cracked engine block.Antifreeze leak in your 1999 Jeep could be as a result of a radiator fluid leak, a cracked engine block, a defective water pump, or any other reason.