My initial theory? Dead vane air flow meter. There IS an intake temp sensor, but it is part of the VAFM, not serviceable, and not replaceable. When you get the airbox off, you'll see a little black sensor at the 12:00 position on the outboard opening of the intake forward of the vane itself.
Last edited by ToyotaViejo; 09-21-2011 at 12:32 PM.