One problem related to manifold/header/muffler/tail pipe has been reported for the 2002 Toyota Sequoia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Toyota Sequoia based on all problems reported for the 2002 Sequoia.
(1) grinding noise on acceleration. Engine cutting off when stopping vehicle. (2) stuck in middle or road trying to get truck to stay cranked. (3) replaced transmission at 1/2 dealer cost and 1/2 my cost when complaint started on problem while vehicle was still under warranty.