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04/11/2022 5:27 am
Topic starter
My dad’s F150 temperature gauge stopped working. It always shows cold. He replaced thermostat and no change. It has less than 100k miles. Any ideas?
1990 Ford F150 Long bed
1 Answer
4
04/11/2022 6:01 am
Check the sending unit.
AKA coolant temperature sensor (CTS)