How Often Should You Replace Your Car Air Filter?

January 21st, 2022 by

Your air filter is an essential part of your Hyundai’s engine. It prevents dust, rust, sand, and other particles from congesting and damaging the mechanisms that drive your car. But if your filter begins to clog up, it can obstruct the flow of oxygen, inhibiting your engine’s performance. Read on to learn when it’s time to visit your local Hyundai dealer for a new car air filter.

How Often Should You Replace Your Car Air Filter?

Every 30,000 to 45,000 Miles

For most Hyundai vehicles, it’s recommended that you replace your air filter every 30,000 to 45,000 miles. This figure varies depending on what kind of environmental conditions you live and drive in. If you frequently use hot, dusty, sandy, unpaved roads then your filter is going to be under a lot more pressure than someone only using urban freeways.

Even in the city, if you spend a great deal of time stuck in traffic on your morning commute, then your filter’s dealing with the dense airborne contaminants of exhaust from other cars. This could cause it to clog up more quickly. So rather than counting on miles alone, it’s best to look for signs of your filter wearing down.

Sluggish Acceleration

As with any car, a Hyundai’s engine needs to create a constant mixture of fuel and oxygen, which it ignites to power the pistons. This requires a smooth, uninterrupted flow of air from the outside. When your filter gets blocked from overuse, this airflow can become restricted.

As a result, there’s less oxygen intake as you start up your car. So your Hyundai’s computer will cut down on fuel use in an attempt to avoid an uneven fuel-air mixture. This means the engine can power fewer RPMs, which results in sluggish acceleration. If you’re noticing this, it may be time to check your filter.

Black Smoke From Your Tailpipe

With restricted airflow, as you drive the mixture of fuel and oxygen becomes unbalanced and the engine can begin to expel unburned fuel from your tailpipe in the form of soot and black smoke. So if you see black smoke in the rearview mirror, be sure to check your filter or have professionals at your local Hyundai dealer check it for you.

Dark, Clogged Up Filter

When you take your filter out for inspection, you can see quite clearly if it’s still in good condition, or on its last legs. A new filter is white and clean. A clogged-up filter looks dark and malformed, with patches that are clearly blocked by dust or grime.

Frequent Engine Misfires

With restricted airflow, your engine produces excess fuel, some of which will go unburned. When this occurs, a soot residue from the unburned fuel builds up on the spark plugs, inhibiting their effectiveness. Spark plugs misfiring creates engine misfires and rough idling. If you’re experiencing any of this, you’ll have to replace both the filters and probably also the damaged spark plugs.

Your Check Engine Light Is Flashing

Your Hyundai’s computer will warn you of engine trouble. If you see the ‘check engine’ light blinking on your dashboard, it may indicate a larger problem, or it may be something as simple as changing your filter. So when you see the blinking light, take a look at your filter, or ask your mechanic to take a look for you.

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