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Full Version: Coolant/ Radiator Sensor Faulty?
Ford Owners Club - Ford Forums > Ford Models > Ford Mondeo Club
Timbo

Hi all. I recently had the thermostat replaced in my 1.8 petrol Mondeo, as the heater was taking ages to get warm enough, although the temp gauge climbs to 90 degrees fairly quickly.

 

The garage said that my radiator fan is coming on at only 89 degrees, which may show why the heater isn't great! The temp gauge doesn't change when the fan comes on either, as you may expect it to do.

 

Is there a combined sensor on these cars, as that could provide a reason for these faults, or are they all separate? ie Radiator fan sensor, coolant temp sensor etc.

 

Many thanks

 

Tim

 

mick85
There coolant temp sensor an ecu controls fan coming on have u checked water pump is pumping properly
Timbo

Hi, thanks for the reply. If the pump wasn't working, I would expect the car to show signs of over-heating. The fan is coming on before the thermostat has even opened properly at the moment.

 

Cheers

 

Tim

mick85
We'll thermostat open between 83 an 89 don't have exact figure an if u not good heating indicates a blockage possibly partially blocked matrix that why fan cutting in early bad circulation possibly but coolant temp sensor or ecu also could be at fault
Timbo
Thanks!

Tim
mick85
Let us know the outcome be interested to know
Timbo
Will do, probably do the coolant sensor first, as it's the cheapest option!

Cheers

Tim


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