Frequently Asked Questions

What is the most common reason for check engine light on a 2025 Kia Sorento?

• Loose or faulty gas cap: the simplest and most frequent cause; an easy fix that often clears the light.
• Faulty oxygen sensor or catalytic converter issues: common as vehicles age and can affect fuel economy and emissions.
• Ignition system problems such as worn spark plugs and coils: can cause misfires and reduce performance.
• Our factory-trained technicians at Nalley Kia diagnose the root cause quickly and accurately to avoid unnecessary repairs.
• Repairs covered under warranty must be completed at a certified dealership to preserve coverage and ensure long-term savings.

What does it mean when the check engine light comes on in a 2025 Kia Sorento?

• It indicates the vehicle's onboard diagnostics detected a fault in engine, emissions, or powertrain systems.
• The issue can range from minor (loose gas cap) to serious (engine misfire or catalytic converter failure).
• Immediate diagnostics at Nalley Kia identify severity so you can avoid escalating damage and higher long-term costs.
• Our dealership often costs less than independent shops while offering factory-trained technicians and manufacturer-grade parts.
• Warranty-covered repairs must be done at a certified dealership to keep protection valid and maximize savings.

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

• Check the gas cap for tightness and visible damage—it's an easy fix that frequently resolves the light.
• Look for obvious signs: unusual noises, smoke, loss of power, or strange smells—report these to the service advisor immediately.
• If the vehicle is driveable, bring it to Nalley Kia so our diagnostic tools and factory-trained technicians can read codes and advise next steps.
• Choosing the dealership often delivers immediate savings through accurate diagnostics and long-term savings by preventing repeat or incorrect repairs.
• Remember: any warranty repairs must be performed at a certified dealership to maintain coverage.

How much does a check engine light diagnostic cost for a 2025 Kia Sorento?

• Diagnostic prices vary by issue, but Nalley Kia offers transparent, competitive rates and often costs less than independent shops for accurate diagnostics.
• We emphasize immediate savings by finding the true cause quickly—avoiding repeated attempts or unnecessary parts replacement.
• Long-term savings come from correct repairs, OEM parts, and warranty protection when work is completed at a certified dealership.
• Ask about current service specials at Service Specials and schedule through Service Scheduler.
• Warranty-covered diagnostics and repairs must be performed at a certified dealership to ensure coverage and quality.

How long does a check engine light service take?

• Simple diagnostics (reading the code and basic inspection) usually take 30–60 minutes, depending on queue and condition.
• Repairs range from quick fixes (tightening/replacing a gas cap or spark plug) to multi-hour jobs for emissions or drivetrain repairs.
• Nalley Kia’s factory-trained technicians streamline the process, often reducing time compared with independent shops and delivering immediate value.
• We provide clear estimates and explain how dealership service saves money long term through correct repairs and warranty protection.
• Schedule service online at /service/schedule-appointment.htm or review offers at /specials/service.htm.