Frequently Asked Questions

What is the most common reason for check engine light on a 2022 Hyundai Sonata?

• Most often the light comes on for emissions-related issues such as a loose or damaged gas cap, oxygen sensor faults, or fuel trim problems (P0171).
• Intermittent misfires (P0300) and failing catalytic converters (P0420) are also common if problems are left unresolved.
• Bringing your Sonata to Courtesy Hyundai of Tampa early avoids escalation; dealership repairs often cost less than independent shops over time while delivering factory-driven expertise.
• Remember: any repairs covered under warranty must be performed at a certified dealership to preserve coverage.

What does it mean when the check engine light comes on in a 2022 Hyundai Sonata?

• It indicates the vehicle’s onboard computer has detected an emissions, combustion, or sensor issue — anything from a loose gas cap to oxygen sensor or misfire faults.
• The onboard code points technicians to specific modules; our Hyundai-approved scanners read those codes and guide precise repairs.
• Prompt dealership diagnosis prevents added wear, reduced fuel economy, and costly downstream failures like catalytic converter damage.
• Warranty-covered diagnoses and repairs must be completed at a certified dealership to ensure continued coverage and proper records.

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

• Start with simple checks: ensure the gas cap is tightened and inspect for obvious leaks or low fluid levels.
• If the light persists, schedule a diagnostic scan at Courtesy Hyundai of Tampa — our factory-trained technicians use Hyundai-specific tools for accurate results.
• Early dealer intervention delivers immediate and long-term savings by catching small issues before they become expensive repairs.
• For any warranty-covered condition, repairs must be completed at a certified dealership to maintain coverage.

How much does a check engine light diagnostic cost for a 2022 Hyundai Sonata?

• Diagnostic fees vary, but typical scan and inspection costs generally range from modest diagnostic rates to slightly higher values depending on complexity.
• Courtesy Hyundai of Tampa offers competitive pricing and the value of factory-trained technicians, Hyundai-approved tools, and OEM parts.
• Choosing the dealership often results in immediate savings through accurate diagnosis and long-term savings by avoiding repeat work and major failures.
• If repairs are covered under warranty, they must be performed at a certified dealership to ensure proper coverage and documentation.

How long does a check engine light service take?

• Initial diagnosis with a scan tool often takes 30–90 minutes; the total time depends on the issue and parts availability.
• Minor repairs can be same-day; more involved repairs or parts orders may require additional scheduling.
• Courtesy Hyundai of Tampa streamlines service with Hyundai-approved procedures and factory-trained staff to minimize downtime.
• For warranty repairs, completing work at a certified dealership ensures proper authorization and documentation, which can speed resolution and preserve long-term savings.