At 66,000 miles my sequoia had engine problem, ( that's what toyota people said ) i took my truck for maintenance and oil change if i see the light is on for maintenance. friday sept 16, 2011 i took it toyota dealership for oil change and brake pads done, wed the 21 of sept, i heard a loud noise and it just stop! i was devastated because, they didn't know what have caused it, please help! *tr