One problem related to other fuel system tank mounting has been reported for the 1999 Toyota 4Runner. The most recently reported issues are listed below.
The vehicle reads empty when full and full when empty sometimes. Constantly changing never able to know if the tank is full and ran out of gas since it wasn't reading the correct amount car was not in motion when I ran out fortunately.
| Other Fuel System Fuel Gauge problems | |
| Other Fuel System Tank Assembly problems | |
| Other Fuel System problems | |
| Other Fuel System Tank Mounting problems |