Frequently Asked Questions

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

• Inspect the gas cap: a loose or damaged cap is a common, easily fixed cause of the check engine light on a 2024 Hyundai Tucson.
• Check dashboard indicators and listen for unusual engine noises that could point to sensor or ignition issues.
• Note recent driving conditions (rough idling, loss of power, poor fuel economy) to help our technicians prioritize diagnostics.
• Bring the vehicle to Nalley Hyundai so factory-trained technicians can run a full scan; warranty-covered repairs must be done at a certified dealership.

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

• The light indicates the vehicle’s onboard diagnostics detected an emission, engine, or electrical issue; severity ranges from a loose gas cap to serious engine or emissions failures.
• Non-flashing light often signals emissions or sensor problems that are urgent but not immediately dangerous.
• A flashing light usually indicates an active misfire or other condition that risks catalytic converter damage—stop driving and seek service immediately.
• Nalley Hyundai provides accurate diagnostics and transparent repair options with immediate and long-term savings compared to independent shops, plus warranty compliance.

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

• Diagnostic fees commonly range from about $90 to $150 depending on the tests required; Nalley Hyundai often provides competitive pricing and service specials—check our Service Specials page.
• Final repair costs depend on the root cause: a new O2 sensor, spark plugs, or EVAP repair each have different parts and labor costs.
• Doing repairs with our dealership usually yields immediate benefits—accurate diagnosis, OEM parts, and factory-trained technicians—and long-term savings through reliable repairs and warranty protection.
• Remember: any repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure proper documentation.

How long does a check engine light service take?

• Basic diagnostic scans and initial inspections are often completed in under an hour, but comprehensive diagnostics or complex repairs can take several hours to a day.
• If parts or specialized repairs are required, turnaround depends on parts availability—Nalley Hyundai’s parts department helps speed this process.
• We offer clear time estimates before work begins and prioritize efficient service without cutting corners, providing both immediate savings and reduced return visits.
• When a repair is covered by warranty, having it performed at our certified dealership ensures faster authorization and correct application of warranty benefits.

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

• Loose or faulty gas cap is one of the simplest and most frequent causes—tightening or replacing the cap often clears the light.
• Oxygen sensors and spark plugs are common next causes; failing sensors affect fuel economy and emissions.
• EVAP system leaks and catalytic converter issues also trigger the light; left unaddressed these can lead to higher repair costs.
• Bring your Tucson to Nalley Hyundai for accurate diagnostics from factory-trained technicians—our services often cost less than independent shops while offering reliable, warranty-compliant repairs.