Frequently Asked Questions

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

• Check the gas cap: a loose or damaged cap is a common cause and an easy fix.
• Verify fuel level and recent fueling—contaminated or incorrect fuel can trigger codes.
• Look for obvious signs: low oil, overheating, smoke, or abnormal noises that need immediate attention.
• If basic checks don’t clear the light, bring your 2025 Hyundai Elantra to our dealership for a certified diagnosis; warranty-covered repairs must be done at a certified dealer.
• Choosing Courtesy Hyundai of Tampa often costs less than independent shops over time because our diagnostics pinpoint issues quickly and prevent expensive downstream repairs.

How long does a check engine light service take?

• Typical diagnostic scans and initial inspections: 30–60 minutes when scheduled.
• Repairs vary—minor fixes like replacing a gas cap or sensor can be completed the same day.
• Complex repairs that require parts or in-depth troubleshooting may take one to several days; we provide transparent estimates and timelines up front.
• Our factory-trained technicians and dealer parts availability often reduce wait times and deliver better long-term savings compared with indepen dent repairs.

What does it mean when the check engine light comes on in a 2025 Hyundai Elantra?

• It indicates that an onboard diagnostic system has detected a fault—ranging from minor emissions issues to engine misfires.
• Codes must be read with an OBD-II scanner to identify the subsystem affected (fuel, ignition, emissions, sensors).
• Some issues are urgent (risk of damage or safety concerns); our technicians prioritize based on severity and risk to your vehicle.
• Prompt dealer diagnosis can save both immediate costs and long-term repair bills—warranty-covered fixes must be completed at a certified dealership.

How much does a check engine light diagnostic cost for a 2025 Hyundai Elantra?

• Diagnostic fees vary by dealership and promotion; Courtesy Hyundai of Tampa frequently offers competitive diagnostics and service specials—check Service Specials.
• Our dealership often costs less than independent shops over time because accurate diagnostics prevent repeated, unnecessary repairs.
• If the needed repair is covered by warranty, the repair must be performed at a certified dealership to preserve coverage.
• We provide clear estimates before work begins so you can compare immediate and long-term savings with confidence.

What is the most common reason for check engine light on a 2025 Hyundai Elantra?

• Common causes include loose fuel caps, faulty oxygen sensors, catalytic converter issues, and misfires.
• Emissions-related faults and fuel-trim problems often show up first and are detected by the OBD-II system.
• Our technicians use factory-level tools to pinpoint the root cause quickly, reducing unnecessary parts replacement.
• Choosing dealership service helps protect your warranty and often saves money over time through accurate, lasting repairs.