Hello. I have a 2000 ford focus zx3. The temperature gauge goes past the half way mark when I'm in traffic or when I idle for to long. I checked out your video and did the following. The radiator is new and there is no leaks. The thermostat and housing are new, the fans turn on and I even changed out the relays and put a new temperature sensor and no head gasket leak. The only way I can get the the temperature gauge to go back to the middle is when I turn on the AC or heater which then kicks in the fans and the car goes back to normal. Please advise. Thank you for your time.

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live with that, old age just makes em run a bit warm, or just turn on the ac to turn the fans on.