This is why your car isn't warming up properly.

If your car is running cooler than normal, or your heat isn’t working right, you might be dealing with a stuck thermostat. The thermostat in your car isn’t the kind you use to set the temperature in your house. It’s a small part inside your engine that helps regulate temperature by controlling the flow of coolant. When it gets stuck, your engine can’t keep the right temperature and that’s a problem.


When your thermostat gets stuck open, coolant flows through the engine all the time even when it’s not supposed to. This can cause your engine to run too cold, which means it takes longer to warm up. You might notice poor gas mileage or your heater not blowing hot air.


Like most parts in your car, thermostats wear out over time. Corrosion, debris, or just plain age can cause them to stick. If your car is older or hasn’t had the thermostat replaced in a long time, it might be time for a new one. Old or dirty coolant can also affect the thermostat.


If you think your thermostat is stuck, don’t ignore it. Even if your car still runs, it’s not running the way it should and that can cause bigger problems down the line. Keeping your engine at the right temperature helps everything run better your fuel economy, your heater, and the life of your engine. Give us a call and let us take care of you.


Happy Adventures,

Heather



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By jhautoinc July 3, 2026
It makes sure your coolant circulates through your engine.
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