Why My Car Mileage Dropped? Here Are Top 8 Potential Reasons

Lakshya Rana
May 21, 2024

Maintenance

Neglecting regular maintenance (regular service) such as oil changes, air filter replacements, and spark plug checks can lead to reduced mileage.

Tire Pressure

Under-inflated tires can increase rolling resistance, resulting in a decrease in fuel efficiency.

Aggressive Driving

Rapid acceleration, hard braking, and speeding can significantly lower mileage.

Aerodynamic Drag

Driving with roof racks, open windows, or sunroofs can increase aerodynamic drag and reduce mileage.

Spark plugs

When spark plugs are dirty or worn, they can become less efficient at igniting the fuel, which can lead to a decrease in mileage.

Fuel Injectors

Dirty or clogged fuel injectors can disrupt the fuel flow, causing inefficient combustion and reduced mileage.

Excess Weight

Extra weight from carrying heavy loads or unnecessary items in the car can reduce fuel efficiency.

Idling

Excessive idling wastes fuel without moving the car, reducing overall mileage.

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