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Discussion Starter #1
We have a 207 on a 58 plate.. The temperature gauge has shot up to max and a warning message appears telling us to stop the car as engine temp too high. We have replaced the temperature sender unit, yet it still happens. As soon as we start the car from cold, it beeps, tells us to stop and the fan kicks in. Water level is fine. Can anyone help please??
 

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may be worth a check if water has got into your wire loom, pop battery lead off and unplug all the ecu multiplugs check for water and give them a spray.

may not be that but wont take long to check.
 

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Discussion Starter #4
Thanks for response.. Engine size is 1.4 and its a 207 petrol.. Changed temperature sender unit and problem persists. Will check for water leakage today
 

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Discussion Starter #6
Coolant level is normal. Tried yet another temperature sender unit. Even started engine without the sender unit clicked in and the same problem occurs
Even when engine is cold
 

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are you sure you dont have two sensors, if you do one is for the ecu and the other for the gauge.

on some cars unpluging the plug fires up the fan, on others the wires need to be shorted in the plug to fire the fan.

can you not pop the sensor in a pan of water, warm it and check resistance just to confirm it works.
 

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are you sure you dont have two sensors, if you do one is for the ecu and the other for the gauge.

on some cars unpluging the plug fires up the fan, on others the wires need to be shorted in the plug to fire the fan.

can you not pop the sensor in a pan of water, warm it and check resistance just to confirm it works.
I have the same problem iv changed the thermostat housing both sensor and iv had the wireing loom checked by an auto electriction and still the same problem
 
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