How do I go about fixing this

Asked by Anthony Aug 01, 2020 at 03:26 PM about the 1990 Ford Tempo 4 Dr GL Sedan

Question type: Maintenance & Repair

Cars cooling system is not working to its fullest potential.
Seems to start overheating after running awhile. and when
checking circulation on the radiator seems to be weak. And
there's two thermostat indicator housing with wires on top
of thermostat one of them broke. which ones my
overheating indicator I wonder?

F_O_R answered 3 years ago

Purge air out of the system. Adding the product Water Wetter will reduce operating temperatures.

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james answered 3 years ago

If the gauge on the dash is working, I'd assume the broken one is the coolant temperature sensor for the computer (PCM). If you're overheating at slower speeds or at idle it's an airflow problem. Are the radiator cooling fans coming on? If not, replace the broken coolant temperature sensor and see if that fixes the problem. Hope that helps! Jim

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