Chosen Solution
Why does my 2008 Ford Escape smell like it’s running hot while my heater is on and I am stopped at a red light…
It might be a coolant leak in the heater hoses or possibly the heater core. Most vehicles have a shut off valve in the the heater lines so when you aren’t using the heater coolant is not going through lines enough for you to smell it. I would look for a leak and definitely look at the valve in the heater hose, those tend to leak. Good luck
