Yes I did come to this conclusion as well. Thanks mate.

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Well after changing the temp sensor and thermostat. I have discovered I have a small coolant leak suspect I haven't sealed the stat joint completely. Anyway. I put fresh coolant in to top it up and the engine was still warm as I'm out and about.

Temp gauge is not getting up to temp now.

Did I mess up the sensor or the thermo. On the plus side my fault code scanner with torque app has highlighted a fault on the cooling system so that works fine. Cheers.

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