One problem related to gasoline fuel system has been reported for the 1998 Nissan Frontier. The most recently reported issues are listed below.
A gas fumes were coming inside from the vents of the vehicle. Driver noticed that while the vehicle was parked a brown liquid was leaking onto the ground. Driver took vehicle to the dealer, and mechanic determined that the sending unit needed to be replaced.
| Tank Assembly problems | |
| Fuel Pump problems | |
| Gasoline Fuel System problems |