My 2002 Altima 3.5 needed a new "throttle chamber." Not sure what it does. Never heard of it before this. When it's broke though, your engine is subject to a no start condition, or it will start, but not accelerate. Happens intermitently. The dealer says they are seeing these more often. Anyone heard of a widespread problem with these on Nissans? Anyone else out there have the same problem? There is no recall on them, but who knows, maybe there should be.