Frequently Asked Questions

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

• Confirm safety first: if the light is flashing, stop driving and contact service immediately.
• Check the gas cap for tightness — a loose cap is a common, simple cause on a 2017 Hyundai Sonata Plug-in Hybrid.
• Note any changes in performance, sounds, or dashboard warnings to share with our technicians.
• At Courtesy Hyundai of Tampa we recommend a prompt diagnostic so minor issues don’t become costly repairs.

How long does a check engine light service take?

• Basic scan and code read typically take 30–60 minutes at our dealership.
• Common repairs (e.g., tightening a gas cap or replacing a sensor) are often completed the same day.
• Complex issues or parts orders can extend service to a few days; we’ll provide clear timelines and loaner options when available.
• Choosing Courtesy Hyundai of Tampa delivers faster, accurate results thanks to factory tools and trained technicians, often saving time and money versus an independent shop.

What is the most common reason for check engine light on a 2017 Hyundai Sonata Plug-in Hybrid?

• Loose or damaged gas cap — an inexpensive fix and a frequent cause of codes in this model.
• Ignition misfires or worn spark plugs can trigger codes and impact drivability.
• Emissions components such as oxygen sensors or catalytic efficiency faults are common and should be addressed promptly.
• Hybrid-specific items (battery/inverter sensors) can appear; warranty-covered repairs must be performed at a certified dealership like ours.

What does it mean when the check engine light comes on in a 2017 Hyundai Sonata Plug-in Hybrid?

• It signals a monitored system has detected an issue — from simple emissions faults to engine, transmission, or hybrid system concerns.
• Non-flashing lights usually indicate a condition that should be diagnosed soon to avoid long-term damage.
• A flashing light signals a severe fault (e.g., active misfire) and requires immediate attention to prevent damage.
• Bring your Sonata to Courtesy Hyundai of Tampa for accurate diagnostics, and remember warranty repairs must be completed at a certified dealership.

How much does a check engine light diagnostic cost for a 2017 Hyundai Sonata Plug-in Hybrid?

• Our dealership offers transparent diagnostic pricing; basic OBD-II scans often start at an affordable flat fee—contact us for current rates.
• Diagnostics at Courtesy Hyundai of Tampa frequently cost less than independent shops, while delivering factory tools, software, and trained technicians.
• Identifying the root cause avoids unnecessary parts replacement and delivers immediate and long-term savings.
• If repairs are warranty-covered, they must be completed at a certified dealership to preserve coverage and ensure proper parts and procedures.