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Only if your defroster uses the A/C, otherwise heater will not effect gas mileage.
The heater uses the waste heat from coolant used to cool the engine, so has no extra load on the engine. The heat was going to waste anyway. You are just diverting it into the car instead of outside.
What else can I help you with?
Does use of the heater decrease mileage?
When a car runs, it produces heat as a wasted product. This heat is then used to heat up air and blow it at you. This heat will be created even when the heater is off, so using the heater should not lower gas mileage.
How does much does car mileage affect car value?
Simply put, the higher the mileage the less the value.
Does driving a car backwards affect the mileage in reverse?
No, driving a car backwards does not affect the mileage in reverse. The odometer measures the distance the car has traveled regardless of the direction it is moving.
Does the mileage of a car affects a car?
It can affect the cost, fuel guzzler tax.
Can you use an inverter and electric heater in your car?
Provided the heater is of a low wattage it should not affect normal running of the car
What is a good sentence using the word mileage?
My car has SUPER great mileage! It has the best mileage ever!
How does vehicle mileage affect your car?
The more mileage on a car the more wear and tear on the engine and transmission witch in turn can cause it to have problems.
Does the length of a car affect gas mileage?
Yes, if the added length adds weight to the vehicle. The more the car weighs the less fuel mileage it will get.
Does driving backwards add mileage to a car?
No, driving backwards does not add mileage to a car. Mileage is calculated based on the distance traveled in the forward direction. Driving backwards does not affect the odometer reading or the overall mileage of the vehicle.
Can a heater core going out on a car make it burn more gas?
No it will not. It will either be leaking or become clogged which will make the heater not produce any heat. it has nothing to do with fuel mileage.
What is one harmful way friction affect a car?
Cars don't get better gas or mileage.
Will bigger tires affect how the car rides?
How it rides, handles, fuel mileage and power are affected.
