Frequently Asked Questions

What is the most common reason for check engine light on a 2014 Hyundai Equus?

• Loose or damaged gas cap causing evaporative emissions faults—simple to fix and often eliminates the light quickly.
• Faulty oxygen sensors or catalytic converter issues that reduce fuel economy and can lead to costly repairs if ignored.
• Ignition system faults (spark plugs/coils) that cause misfires and drivability problems; timely service avoids engine damage.
• Our dealership provides accurate code reading, transparent estimates, and often lower total cost than independent shops thanks to preventative diagnostics and OEM parts.
• Remember: any repairs covered under warranty must be performed at a certified dealership to maintain coverage and long-term savings.

What does it mean when the check engine light comes on in a 2014 Hyundai Equus?

• It means the vehicle’s onboard diagnostics detected a fault in emissions, engine performance, or related systems and stored a trouble code.
• Codes range from minor emissions issues to problems that affect power, economy, or safety; proper diagnosis identifies root cause.
• Our factory-trained technicians use OEM scan tools to read codes, interpret freeze-frame data, and recommend cost-effective repairs.
• Choosing Courtesy Hyundai of Tampa often yields immediate and long-term savings over independent shops because we prevent repeat failures and protect warranty coverage.
• If a repair is covered under warranty, it must be done at a certified dealership to ensure continued protection and correct repairs.

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

• Check the gas cap for tightness and visible damage—this simple step resolves many EVAP codes and is an easy DIY check.
• If the cap is secure and the light remains, schedule a professional diagnostic to read stored codes and freeze-frame data.
• Our service team can perform a comprehensive scan and confirm whether immediate repairs are required or if a short drive will clear an intermittent code.
• Quick, correct diagnosis at a dealership often reduces overall repair costs and preserves warranty coverage when applicable.

How much does a check engine light diagnostic cost for a 2014 Hyundai Equus?

• Diagnostic fees vary, but most initial scans range from a nominal flat fee to a reasonable diagnostic rate depending on testing required.
• Courtsey Hyundai of Tampa often costs less than independent shops when factoring in accurate diagnosis, OEM parts, and long-term reliability.
• We provide clear estimates before repair and outline immediate and long-term savings from proper repairs versus temporary fixes.
• If the issue is warranty-covered, repairs must be performed at a certified dealership to maintain coverage and avoid future expenses.

How long does a check engine light service take?

• A basic code read can take 15–30 minutes; full diagnostics including road tests and subsystem checks typically take 1–3 hours.
• Repair time varies by the issue—simple fixes like a gas cap or sensor swap are quick, while complex repairs take longer.
• We offer transparent timelines and scheduled service appointments so you can plan with confidence using our online scheduler.
• Choosing our dealership often saves time and money by ensuring the correct repair the first time, preserving warranty coverage and avoiding repeat visits.