Why is my car overheating with the heater on?
Why is my car overheating with the heater on? A common cause of car overheating is a low-cost thermostat stuck closed, restricting coolant flow. Low engine coolant level. The heat exchanger inside your car that keeps you warm on cold days can cause your engine to overheat. If the heater core is plugged, coolant flow restricts. Why is my Ford Focus not getting hot? There is no heat from heater one heater hose warm the other cold. So thought Air lock or blocked Matrix. The temperature gauge needle gauge gets to midway in the normal running temperature. How does heat...