Table 1 shows six common engine and engine cooling related problems of the 2008 Toyota Sequoia. The number one most common problem is related to the engine and engine cooling (three problems). The second most common problem is related to the manifold/header/muffler/tail pipe (two problems).
A valve spring in the engine failed causing one cylinder to fail as well. The failure fortunately happened at low speed and the engine didn't seize. This a known problem with Toyota v8s of this model year and was the reason for a recall of Lexus vehicles with the same engine. Read details...
Engine oil seepage (or slow leak) at the cam housing and engine head connection (gasket seam) area, above the exhaust manifold, on the right-hand-side engine cylinder bank. Oil first detected at 9,000 miles (vehicle was purchased new). Read details...
Whenever I drive up hill or just speed up, the bad smell of rotten eggs comes into the vehicle interior even with the windows roll up and with the recalculating vent button on. Read details...