Frequently Asked Questions

What does it mean when the check engine light comes on in a 2021 Hyundai Kona?

• It signals that the vehicle’s onboard diagnostics detected an issue — from a loose gas cap to an emissions or engine problem. Our certified technicians at Larry H. Miller Hyundai Peoria use OEM-grade scanners to identify fault codes accurately.
• We often cost less than independent shops because our processes reduce repeat repairs and protect long-term value — translating to immediate and long-term savings for you.
• Repairs covered by warranty must be completed at a certified dealership to preserve coverage; our team will explain warranty implications up front.
• To get professional help quickly, schedule service or check our current service specials. Service financing is available so you can get repairs now and pay over time.

How long does a check engine light service take?

• Initial diagnostic scans typically take 30–60 minutes depending on symptoms. Once diagnosed, repair times vary by the issue — simple fixes can be same-day; more complex repairs may take longer.
• At Larry H. Miller Hyundai Peoria we prioritize quick turnarounds with factory-trained technicians, OEM parts, and transparent estimates to minimize downtime and maximize vehicle life.
• We emphasize honest pricing and immediate vs. long-term cost benefits — fixing an issue now often prevents more expensive repairs later.
• To book a convenient appointment, schedule appointment or view our latest service specials. Ask about service financing to manage payment.

How much does a check engine light diagnostic cost for a 2021 Hyundai Kona?

• Diagnostic prices vary, but at Larry H. Miller Hyundai Peoria we offer competitive, transparent pricing and value-driven service that often costs less than independent shops when you consider accuracy, warranty protection, and lasting results.
• Our certified diagnostic process reduces the chance of misdiagnosis and repeat visits, creating long-term savings by addressing root causes correctly the first time.
• Warranty repairs must be performed at a certified dealership to remain eligible — our team will advise on covered items and expected costs before work begins.
• To get an accurate quote and priority service, schedule service and review current options on our service specials. Service financing is available for qualified customers.

What is the most common reason for check engine light on a 2021 Hyundai Kona?

• Common causes include a loose or faulty gas cap, oxygen sensor issues, catalytic converter faults, or spark/plugs and ignition issues. Our technicians diagnose with OEM scanners to pinpoint the exact cause.
• Choosing dealership service reduces the risk of unnecessary parts replacement — we prioritize correct, efficient repairs using Hyundai-certified techniques and parts.
• We provide transparent estimates and explain how timely repairs save money over time by preventing further engine or emissions damage.
• To address the issue swiftly, schedule service or review our service specials. Ask about service financing for flexible payment.

What is the first thing to check when the check engine light comes on?

• Start with the basics: ensure the gas cap is tight and undamaged. If the light persists, bring the vehicle to Larry H. Miller Hyundai Peoria for a full diagnostic scan by factory-trained technicians.
• Our dealership offers precision diagnostics and will explain immediate fixes and longer-term recommendations to protect your Kona’s performance and resale value.
• Repairs under warranty must be completed at a certified dealership; we’ll verify coverage and outline any out-of-pocket costs to maximize savings.
• To get prioritized care, schedule appointment now and check our service specials. Service financing options help you get repairs done without delay.