2000 Ford expedition heat

Asked by HermBriggs Feb 20, 2018 at 12:07 PM about the 2000 Ford Expedition XLT

Question type: General

I have heat on low when I switch it to high it heats
then decreases in temp. Could it be the resistor?

2 Answers

The higher the flow of air the lower the air temperature at least to a point. The heater core can only provide so much heat. If the heat drops really low I would suspect a partially plugged up heater core. In that case flush the cooling system.

If the thermostat is stuck open it could cause a low heat issue. Check the temperature gauge on the dash.

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