Yes, that's a common problem for the '99's and '00's. Be sure to do a search on this forum for "+fuel +gauge" to read more more about it. You'll see a lot of posts, such as http://www.4x4wire.com/forums/showflat.php?Cat=&Board=UBB13&Number=861777


Jeff
2000 4Runner SR5, supercharger, rear e-locker, ARB front locker, 285/75R16 MT/R's, custom bumpers & skids
2007 Tacoma double cab 4x4 - stock