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Discussion Starter #1
Hi the temperature display on my dashboard has started to go a bit mad. Displaying -12 on a nice day. Any ideas
 

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It is probably a broken temperature sensor or a bad connection to the sensor.
The outdoor temperature sensor is normally located in the right side wingmirror
 

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Thanks for that, I will investigate and check the connection, is the senso a separate unit
it's a small black bulb sticking out from the underside of the outside mirror housing....
Connected via the lock/mirror module in the driver's door.
Officially you cannot get the sensor as a separate item, however, as it's just an NTC resistor you coud probably make something up....
However, it's probably just a bad connection, or a problem with water....

edit:
they seem to be available from ebay : http://www.ebay.co.uk/itm/T4-ALFA-R...-TEMPERATURE-SENSOR-DOOR-MIRROR-/181573242374
 
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