Frequently Asked Questions

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

• Check the fuel cap: a loose or damaged cap is a common trigger and an easy, low-cost fix.
• Confirm fuel level and engine oil visually; low fluids can cause warning lights.
• Look for obvious issues under the hood (loose hoses, disconnected wiring) but avoid DIY repairs if unsure.
• If the light persists, bring your 2012 Hyundai Equus to Courtesy Hyundai of Tampa for a professional scan; we spot hidden faults and protect warranty coverage.
• Remember: warranty-covered repairs must be performed at a certified dealership to preserve coverage and long-term savings.

How long does a check engine light service take?

• Basic diagnostic scans typically take 30–60 minutes depending on system complexity and stored codes.
• If additional testing is required—road test, live-data evaluation, or smoke test for an EVAP leak—plan for 1–3 hours total.
• Repairs vary: simple fixes (gas cap, sensor) are often same-day; complex repairs (catalytic converter, engine issues) require parts ordering and more time.
• At Courtesy Hyundai of Tampa we communicate timelines up front and aim to minimize downtime while ensuring proper, warranty-safe repairs.
• Use our online scheduler to reserve time and get faster turnarounds.

What does it mean when the check engine light comes on in a 2012 Hyundai Equus?

• It signals the vehicle’s onboard diagnostics detected a fault in emissions, fuel, ignition, or related systems—ranging from minor to critical.
• A steady light usually means a non-emergency issue; a flashing light often indicates a severe misfire that can damage the catalytic converter.
• Only a proper scan reveals specific trouble codes, which our factory-trained technicians interpret for precise repairs.
• Addressing issues quickly at our dealership often costs less than independent shops over time because we prevent additional damage and preserve manufacturer warranties.
• Warranty-covered repairs must be performed at a certified dealership to ensure coverage and long-term savings.

What is the most common reason for check engine light on a 2012 Hyundai Equus?

• Common causes include a loose gas cap, failing oxygen sensor, ignition misfires (spark plugs/coils), or emissions system faults.
• Oxygen sensors and EVAP leaks are frequent on aging vehicles—both affect fuel economy and emissions compliance.
• Ignoring these issues can increase fuel costs, cause catalytic converter damage, and lead to more expensive repairs later.
• Our technicians diagnose root causes with OEM-grade tools and offer transparent repair options that often save you money immediately and over time.
• Remember: for warranty repairs, certified dealership service preserves coverage and long-term value.

How much does a check engine light diagnostic cost for a 2012 Hyundai Equus?

• Diagnostics at Courtesy Hyundai of Tampa typically start at competitive, transparent rates—many basic scans begin around $89–$119 depending on testing required.
• If further testing or parts are needed, we provide an itemized estimate before any work proceeds so you can weigh options.
• Choosing our dealership often costs less than independent shops in the long run because we stop cascading failures, use OEM parts, and protect warranty coverage.
• Any repairs covered under warranty must be performed at a certified dealership to maintain coverage and long-term savings.
• Check our Service Specials or schedule an appointment for priority diagnostics and up-front pricing.