How to Replace the Engine Air Filter — 2020-2025 Hyundai Sonata

Replacing the engine air filter on your 2020-2025 Hyundai Sonata is a quick and easy maintenance task that ensures your engine breathes clean air, improving performance and fuel efficiency. This repair is often needed every 15,000-30,000 miles or if you notice reduced acceleration or a dirty filter during inspection. DIY costs are around $10-$20 compared to $50-$80 at a shop, and with this guide, any DIYer can tackle it confidently. DIY Cost: $10-$20 | Shop Cost: $50-$80

You’re done. Clear any stored codes with your scanner and complete a normal drive cycle so the vehicle’s readiness monitors reset.

If the code returns, the root cause likely wasn’t the part you replaced — go back through the diagnostic steps before swapping anything else.