One problem related to fuel hoses lines/piping and fittings has been reported for the 1998 Toyota Avalon. The most recently reported issues are listed below.
Gas tank leaks. Also parts have been replaced on gas tank. But fuel continues to leak. Cause possible fuel hose.
| Tank Assembly problems | |
| Fuel Hoses Lines/piping And Fittings problems | |
| Fuel Injector problems | |
| Tank Filler Pipe And Cap problems | |
| Fuel Injection problems |