Two problems related to manifold/header/muffler/tail pipe have been reported for the 2000 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Toyota 4Runner based on all problems reported for the 2000 4Runner.
Frame rust-through - vehicle's frame has prematurely rusted through from the inside-out along passenger side in area of muffler assembly.
The consumer noticed smoke coming from the tail pipe and hood. The dealer stated the engine had sludge build up caused by failure to provide proper maintenance.