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Discussion Starter #1
As the question suggests, where is the temperature sender that operates the temperature gauge on a 156 1.8 Twin Spark (CF3)?

Is it the sender that screws into the top of the thermostat?

Just wondering...
 

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There is only one temperature sensor, which is the one in the thermostat housing.
 

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Discussion Starter #3
There is only one temperature sensor, which is the one in the thermostat housing.
OK - the new thermostat is working perfectly and the engine running at perfect temp (fan cutting in etc) according to multi-scan diagnostics.

The temp gauge still only normally reads on the line between the bottom and 90 degrees. No big deal as it's all running properly but just a niggle.

Would it be worth changing the temperature sender on the stat to try and stabilise the temperature gauge (as most new thermostats don't come with a new sender)?

Are they easy to change/fit? Anything to watch out for (apart from disconnecting the poxy plug!)?

TIA
 

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There is only one sensor housing on the thermostat so it looks like 1 sensor, however, this contains 2 seperate sensors, with seperate electrical connections in the plug. One for the ecu, one for the temperature guage.
 
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