Agreed. I've had two thermostats go in two different cars (both Toyota
MR2's, incidentally), and the symptoms both times were exactly as described
here.

"Randolph" <trash@junkmail.com> wrote in message
news:3FA21B44.33B50F0F@junkmail.com...
> > I know... your thinking thermostat right? Well here is the catch.
> > The temperature goes down when you put it on full blast??? This makes
> > for uncomfortable driving during the summer months!
>
> I assume that by "The temperature goes down when you put it on full
> blast" you mean turning the heat to max and turn the ventilation fan to
> the highest speed. This does move heat away from the cooling system (and
> dumps it in the cabin). It also indicates that you do have coolant
> circulation (so the water pump must be working). I would say this is a
> classic case of a failed thermostat. If you still have the original
> thermostat in the car you would have received all the service you can
> expect from it.