Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 Hyundai Sonata?

• It indicates the vehicle’s onboard diagnostics found a fault — anything from an emissions issue to a misfire. Our certified Hyundai technicians at Larry H. Miller Hyundai Peoria inspect the stored codes, interpret them, and recommend the correct repair.
• We often cost less than independent shops while providing OEM parts, factory-trained techs, and comprehensive diagnostics that protect long-term value and fuel economy.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage; we’ll verify warranty eligibility and explain options clearly.
• To get prioritized attention, schedule service online and check current offers under our service specials.

How long does a check engine light service take?

• Simple diagnostics often take 30–60 minutes. If parts or deeper troubleshooting are needed, repairs may take longer — we’ll give a clear time estimate up front.
• Larry H. Miller Hyundai Peoria prioritizes fast turnaround with factory tools and direct parts access to reduce time in the shop and get you back on the road sooner.
• We offer comfortable customer amenities and transparent estimates so you see immediate and long-term savings from accurate repairs and genuine parts.
• You can schedule service now and ask about financing to pay over time if needed.

How much does a check engine light diagnostic cost for a 2016 Hyundai Sonata?

• Diagnostic fees vary by issue, but dealer diagnostics include code reading, live-data analysis, and a technician inspection. Those complete diagnostics often cost less than piecemeal independent repairs because we pinpoint the root cause quickly.
• Choosing Larry H. Miller Hyundai Peoria delivers better value: OEM parts, factory procedures, and documented repairs that help avoid repeat expenses and protect resale value.
• We offer service specials and financing options so you can get the work done now and pay later—ask our team when you schedule service.

What is the most common reason for check engine light on a 2016 Hyundai Sonata?

• Common causes include a loose gas cap, oxygen sensor failure, catalytic converter issues, or fuel/ignition misfires. Each has different costs and consequences if left unchecked.
• Left unresolved, problems can reduce fuel economy, increase emissions, or cause expensive repairs like catalytic converter replacement. Our approach prioritizes fixes that save you money over time.
• Warranty-covered items should be repaired at a certified dealership to maintain protection; we’ll confirm coverage during inspection.

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

• For drivers, the simplest first check is the gas cap — a loose or damaged cap often triggers codes. If tightening the cap doesn’t help, bring the vehicle to us for a full scan.
• At Larry H. Miller Hyundai Peoria our technicians perform a thorough diagnostic scan and live-data review, communicating recommended repairs and costs before work begins.
• To protect performance and warranty coverage, schedule service and review available service specials that can lower immediate and long-term ownership costs.