Two problems related to other fuel system have been reported for the 1999 Toyota 4Runner. The most recently reported issues are listed below.
Low fuel light comes on with around 5-6 gallons of fuel remaining and gas hand goes from full to half after only 70 miles.
The gauge reading will gradually change while driving or will show a different reading after cycling the ignition key ¿off¿ and then ¿on¿. The gauge will come off of ¿full¿ quickly.