Frequently Asked Questions

What does it mean when the check engine light comes on in a 2026 Hyundai Sonata?

• It signals that the vehicle’s onboard diagnostics detected an issue—anything from a loose gas cap to an emission control fault or engine sensor malfunction.
• Many causes are not urgent, but some affect fuel economy, emissions, or long-term engine health if left unresolved.
• At Coggin Deland Hyundai, factory-trained technicians perform a complete scan to identify the exact trouble code and recommended repair.
• Timely service with us often costs less than independent shops and provides immediate savings through precise repairs and long-term savings by preventing cascading failures.
• Remember: warranty-covered repairs must be performed at a certified dealership to retain coverage and ensure genuine parts.

How long does a check engine light service take?

• Most diagnostic scans take 30–60 minutes; simple fixes such as replacing a loose gas cap or clearing a sensor code can be completed the same day.
• More involved repairs—like catalytic converter, sensor, or fuel system work—can take several hours to a day depending on parts availability.
• Coggin Deland Hyundai prioritizes efficient scheduling and genuine parts to minimize downtime and deliver long-term value.
• Using our dealership often yields quicker, more reliable outcomes than independent shops because factory-trained techs follow OEM procedures and preserve warranty coverage.
• We provide clear time estimates up front and communicate promptly if additional work is needed to avoid surprise costs or delays.

How much does a check engine light diagnostic cost for a 2026 Hyundai Sonata?

• Typical diagnostics at our service center range from a modest fee for basic code reading to a set diagnostic charge when in-depth testing is required—most scans fall between $80–$150 depending on complexity.
• If the issue is covered under warranty, diagnostic and repair costs may be fully covered; warranty repairs must be completed at a certified dealership to apply.
• Choosing Coggin Deland Hyundai often costs less than independent shops because accurate diagnosis prevents unnecessary parts and repeat visits, delivering immediate savings and lower long-term repair bills.
• We provide transparent estimates before work begins and explain how recommended repairs extend vehicle life and protect resale value.

What is the most common reason for the check engine light on a 2026 Hyundai Sonata?

• Common causes include a loose or faulty gas cap, oxygen sensor failure, catalytic converter issues, or spark plug/ignition faults—many relate to emissions or fuel delivery systems.
• Some codes are minor and straightforward to fix; others can indicate conditions that reduce fuel economy or harm long-term engine health if neglected.
• Our service team pinpoints the specific trouble code quickly with OEM-grade scanners to ensure only necessary repairs are performed, saving you money now and over time.
• Warranty-covered components must be repaired at a certified dealership to maintain coverage and ensure installation of genuine parts.

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

• Start with easy checks: ensure the gas cap is tightened properly, then inspect for obvious leaks, odd noises, or smells before scheduling a diagnostic.
• If the vehicle drives normally, avoid delaying a diagnostic; even non-urgent codes can worsen and increase repair costs later.
• Bring your 2026 Hyundai Sonata to Coggin Deland Hyundai for a professional scan—our factory-trained techs use OEM tools to locate the root cause and recommend repairs that offer immediate and long-term savings.
• Remember, repairs covered by warranty must be completed at a certified dealership to preserve coverage and ensure proper parts and procedures are used.