Quote:
Originally Posted by skellum
Started our ZT 120 today just to swap cars around on the drive (TF needs attention) and noticed the main radiator fan came on very quickly. Car was still cold, temperature needle barely moved from stop. Fan stopped as soon as engine turned off.
Some reading suggests this might be a problem with the coolant temperature sensor- if it isn't delivering a signal the car 'plays safe' and turns on the fan.
This will sound really sad, but where is the sensor located??
Or, anything else might need checked?
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If the temperature sensor is disconnected, the MEMS3 sees a default temperature of iirc
minus 140 degrees C, and the fan runs continuously.
The sensor is screwed into the top hose coolant outlet elbow on the right hand side of the cylinder head.
Brian
