One problem related to manifold/header/muffler/tail pipe has been reported for the 2006 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Toyota 4Runner based on all problems reported for the 2006 4Runner.
The contact owns a 2006 Toyota 4runner. The contact stated that the vehicle would become wobbly when driving at speeds over 60 mph. The contact took the vehicle to the dealer and was told hat the hydro-booster pump needed to be replaced. The contact stated that the check engine light was also illuminated. The dealer stated that the catalytic converter and manifold also needed to be replaced. The vehicle was repaired. The failure mileage was unknown, but the current mileage was 61,000.