Heater blowing cold engine gets hot

Hi and thanks for using 2CarPros.com.

First, check to make sure it isn't low on coolant. The is the most common reason heaters don't work and engines get hot. Take a look through this link, specifically number 8.

https://www.2carpros.com/articles/how-a-car-heater-works

Let me know what you find.

Take care,
Joe

I replaced the thermostat and that solved the problem. Thanks

Great! Let us know if you have questions in the future.

Take care,
Joe