Factory GM Air Filters

Most cars and trucks have two types of air filters -- one for the engine and one for the cabin. Both capture airborne contaminants before they can accumulate. Engine air filters help keep dirt and debris out of and away from engine parts. Cabin air filters help keep dust and allergens out of and away from the heating and AC systems.

Unfortunately, sooner or later, the muck that collects can restrict airflow through both -- that is, if they don't otherwise start to degrade from age. When either happens, engine and car HVAC problems follow.

The best way to tell if your car air filter needs replacing is to look for the signs. They range from a Check Engine light on the dashboard to a worn or dirty filter, bad cabin air quality, and abnormal engine noises. Your engine can also misfire or lose power, throttle response and acceleration can weaken, fuel economy can drop, and emissions can increase. You could even start having trouble with your car heating and air conditioning.

If you see any of these symptoms, your air filters probably need changing. Otherwise, they'll need replacing regularly, every 12,000 to 15,000 miles at least and every 30,000 miles at most. There are clear benefits to doing so sooner, namely, maintaining fuel efficiency, controlling emissions, and helping your engine last longer. Consult your owner's manual for more details on what to do and when to do it.

Buy the Best Air Filters for Your Vehicle Online: Genuine GM

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