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Express Car Care of Denver

"Denver's Best Auto Repair and Quick Lube"

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Engine Air Filter

June 24, 2019 by Denver Express Car Care

Today we want to talk about your engine air filter.  That’s the filter that cleans the air before it’s burned in your engine.  Many people wonder how often they should change their engine air filter.  The simple answer is ” when it’s dirty”.  That’s a function of how much air has passed through the filter, so your vehicle manufacturer will recommend a mileage interval for replacing the air filter.  But it’s not hard to imagine that how dirty the air is will greatly affect how quickly the filter gets filled.

If you drive in a city or town where there’s lots of dust, pollution, or pollen, your engine air filter will get dirty more quickly and will need to be changed sooner.  That’s why we check the air filter with every full-service oil change at Express Car Care.  We can visually tell if the filter needs to be changed.

Your filter can only hold so much dirt.  Once the filter is full, dirt will pass through to the engine.  This dirt gums up the combustion chamber, hurts fuel economy and may cause damage.  It can also contaminate the Mass Air Flow Sensor, which will affect drivability and can be fairly expensive to replace.

A dirty engine air filter would also restrict the amount of air that gets to the engine, which diminishes fuel economy.  We can replace your air filter with one that matches the factory specifications or you can choose to upgrade your filter for enhanced performance.

So the next time your service adviser at Express Car Care shows you your dirty air filter, remember how important it is to have it replaced.

Filed Under: Car Maintenance Tagged With: Engine Air Filter

Express Car Care
4200 E. Evans Ave. Denver, CO (map)
Phone: (303) 691-2760
Located just southeast of the Colorado Light Rail station

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Shop Hours

Monday: 8:00AM – 5:30PM
Tuesday: 8:00AM – 5:30PM
Wednesday: 8:00AM – 5:30PM
Thursday: 8:00AM – 5:30PM
Friday: 8:00AM – 5:30PM
Saturday: Closed – A note from the owner
Sunday: Closed

Last car oil change time  – 5:00PM

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