2016 Explorer Sport heat issue | Ford Explorer - Ford Ranger Forums - Serious Explorations

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2016 Explorer Sport heat issue

Phillyguy2101

New Member
Joined
October 30, 2021
Messages
1
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City, State
PA
Year, Model & Trim Level
2016 Explorer Sport
Hey Folks -

Just recently noticed with it getting colder that my heat is not working properly. At idle or normal operation it seems to just blow cold air. If I rev in neutral or heavy accelerate, the heat works temporarily but usually within a minute or less goes back to blowing cool air when it should be blowing hot air. Seems it could be a few things, but any ideas on what’s most probable? I’m thinking since it changed with engine speed, it might be water pump or heater core related? Maybe a faulty thermostat or coolant temperature sensor/switch? Would love to hear what you guys think this is?
 
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