Why does my car heater only work when I hit the gas?

Why does my car heater only work when I hit the gas?

It’s caused when your coolant gets low. Fix your leak and bleed the coolant system. Or you can check this theory by filling and bleeding the coolant system now. If it works, it will be ok until the coolant system gets low and causes the air bubble again.

Why does my heater only work when I rev the engine?

You may have a clogged heater core that may be prohibiting the outer linings of the heater core to get hot. As you know, the heater core is a series of tubes that the coolant runs through that generates the heat from the warm coolant after circulating through the motor.

Why does my car only overheat when I accelerate quickly or drive hard?

The most common cause of overheating at low speeds is the lack of airflow through the radiator. Why does my Car only Overheat on the Highway? The biggest cause of this is a faulty thermostat that is stuck closed. A damaged radiator, low coolant, faulty radiator cap, or obstructed radiator can also be at fault.

What to check if your car is overheating?

What Are Signs of an Overheating Engine?

1. Steam (often looking like smoke) coming from the front of the vehicle under the hood.
2. The engine temperature gauge in the dashboard or driver console spiking to “H” or moving into the red area of the gauge.

What does an overheating car smell like?

You smell funny odors like burning rubber, scorched oil or boiling water. At one time, expecting your car to overheat was a common event. No one forgot extra water on a Sunday drive, as pouring it over the radiator helped the engine cool.

Can I drive my car if it smells like burning?

Normally burning occurs when two surfaces are rubbing together. If you notice any engine smells, then stop driving your car immediately.

Why is there a burning smell coming from my car?

Other Burning Smells From Your Car Maybe it doesn’t smell like rubber, but you’re almost sure something is burning under the hood. A burning smell in your car could be caused by several things, including a burned-out electrical fuse, an overheating A/C compressor, or worn out brake pads that need to be replaced.