Dominic,
I understand what you're asking and you're right, the wiring from the sensor connector is short and terminates just to the rear of the right-hand bank where there is another connector buried underneath the plastic inlet manifold chamber.
However, in reply to
T-Cut's question you said that the temperature gauge does not remain in the full cold position when the engine is warm. Have I understood that correctly? If the gauge needle is rising towards the mid-position as the engine warms then the sensor must be connected.
Quote:
Originally Posted by Dominic22
... other than pressure in the tank so coolant is not cycling around ...
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Pressure in the tank? Did you remove the expansion tank cap when the engine was stone cold? Did you hear a strong hissing sound?
Why do you believe that the coolant isn't "cycling around"? It
will circulate provided that the water pump impeller hasn't dropped off its shaft!
Simon