Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2024 Hyundai Sonata?

• Diagnostic pricing varies; Nalley Hyundai provides transparent upfront estimates and efficient computer-driven scans to identify trouble codes quickly.
• Our dealership often costs less than independent shops due to streamlined processes and parts access, yielding immediate savings at the counter.
• Long-term savings come from correct repairs that prevent repeat visits and protect vehicle value.
• Any repair covered under warranty must be completed at a certified dealership to preserve coverage and ensure genuine parts and workmanship.

What does it mean when the check engine light comes on in a 2024 Hyundai Sonata?

• The light signals that the vehicle’s onboard diagnostics detected a fault — from minor sensor issues to more serious engine or emissions problems.
• Common causes include loose gas caps, oxygen sensor failures, catalytic converter issues, or misfires; codes pinpoint the source.
• Ignoring the light can escalate damage and repair costs; early dealership diagnostics preserve warranty eligibility and reduce overall expense.
• Nalley Hyundai’s factory-trained technicians follow manufacturer procedures, using OEM parts to restore performance and protect long-term operating costs.

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

• Start with simple checks: secure the gas cap and look for obvious signs like low oil or coolant levels; these can trigger a light.
• If the light remains, bring the 2024 Hyundai Sonata to Nalley Hyundai for a scan to read stored trouble codes and prevent misdiagnosis.
• Dealership diagnostics give accurate code interpretation and identify warranty-covered conditions — repairs under warranty must be done at a certified dealer.
• We balance fast service with long-term savings by addressing root causes, avoiding repeated repairs common at lower-cost, non-certified shops.

How long does a check engine light service take?

• Initial diagnostics typically take 30–60 minutes using advanced scan tools to retrieve and analyze codes on your 2024 Hyundai Sonata.
• If the required repair is simple — sensor replacement or gas cap tightening — it can often be completed the same day.
• More complex repairs may require parts or additional inspections; Nalley Hyundai provides clear timelines and prioritizes warranty-compliant work.
• Our efficient workflow and factory training often translate into faster resolution and lower lifetime costs compared with repeated independent-shop visits.

What is the most common reason for check engine light on a 2024 Hyundai Sonata?

• The most frequent causes include oxygen sensor failure, loose or faulty gas caps, and catalytic converter or ignition misfire issues.
• Oxygen sensors and emissions components are monitored continuously; failures will trigger diagnostic trouble codes that our team interprets precisely.
• Addressing these issues at Nalley Hyundai protects emission warranties and prevents escalating costs like catalytic converter replacement.
• Choosing dealer service ensures correct parts and labor, preserving warranty coverage and providing better long-term value than multiple corrective visits.