One problem related to fuel hoses lines/piping and fittings has been reported for the 2004 Jeep Wrangler. The most recently reported issues are listed below.
There were gas fumes coming into the vehicle through the vents due to a leak in the gas line. It was repaired. However, the problem recurred. Dealer could not resolve the problem.
| Gasoline Fuel System problems | |
| Fuel Hoses Lines/piping And Fittings problems | |
| Fuel Pump problems | |
| Tank Assembly problems | |
| Gasoline Storage problems |