Temp Gauge Reading Low

[Ti Kan]

iain.atkinson at tesco.net writes:
> just need a little advice, the temp gauge on my coupe 20vq (early
> 1990 model) reads low like around a quarter, before i go replacing the
> thermostat can i test this in anyway. As pointer after i shut off the
> car the rad fan runs, surely if it was genuinely running cold the rad
> fan wouldn't operate as it's controlled by a different switch??? I
> presume the gauge sender is the one on the back of the head not the
> muilt function temp sender under the top hose.

Yes, the coolant temp sender is the multi-function unit under the
top hose flange.  That sender is known to fail with the symptom
that you describe.

-Ti