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What Happens When a Car's Air Filter Gets Dirty?

1 Answers

DallasLynn

07/29/25 6:33pm

Due to the operating environment of vehicles, the condition of the air filter will change significantly with road conditions as it approaches replacement time. If a car uses an excessively dirty air filter while driving, it can cause insufficient engine air intake, leading to incomplete fuel combustion. This results in unstable engine operation, reduced power, and increased fuel consumption. Below are the functions of an air filter: 1. The air filter filters the air, preventing dust from entering the engine and affecting fuel combustion inside the engine; 2. The cabin air filter filters the air, ensuring that the air entering the cabin is clean. However, current cabin air filters have relatively low filtration levels, allowing dust to still enter the car's air conditioning system and subsequently the cabin; 3. Replacing it with a high-efficiency cabin air filter is essential, as it directly impacts our health.

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