2023 Hyundai Kona Check Engine Light

Certified technicians, only the experts.

Frequently Asked Questions

What is the most common reason for check engine light on a 2023 Hyundai Kona?

Loose or faulty gas cap is one of the simplest and most frequent causes—an easy fix that restores proper fuel-system pressure.
Faulty oxygen sensors or mass air flow sensors often trigger codes that affect fuel economy and emissions if left unresolved.
Catalytic converter issues arise from prolonged neglect and can lead to costly repairs; addressing problems early saves money.
Our certified technicians at Courtesy Hyundai of Tampa diagnose codes precisely and often provide lower total cost than independent shops, with factory-trained service and warranty compliance.

What does it mean when the check engine light comes on in a 2023 Hyundai Kona?

It signals that the vehicle’s on-board diagnostics have detected an emissions, engine, or transmission-related issue requiring attention.
Severity ranges from minor (emissions-related) to urgent (misfire or catalytic problems); a diagnostic scan provides the exact code and recommended repair.
Ignoring the light can compromise fuel economy and cause progressive damage, increasing long-term cost.
For warranty-covered issues, repairs must be completed at a certified dealership like Courtesy Hyundai of Tampa to preserve coverage and ensure proper parts and procedures.

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

Verify the gas cap is tightened; a loose cap often triggers an evap system code and is a quick, low-cost fix.
Listen for abnormal engine sounds and note any drivability issues—stalling, rough idle, loss of power—which help prioritize diagnostics.
Avoid DIY resets if the light returns; a full scan at a certified dealership identifies root causes and preserves warranty protection.
Bring your 2023 Hyundai Kona to Courtesy Hyundai of Tampa for a speedy scan and clear explanation of immediate and long-term savings from factory-trained service.

How much does a check engine light diagnostic cost for a 2023 Hyundai Kona?

Diagnostic fees vary, but most scans fall into an affordable range; our dealership provides transparent pricing and written estimates before any repair work begins.
Because we employ factory-trained technicians and use OEM parts, you often save money over time—fewer repeat repairs and better resale value.
When covered by warranty, repairs must be done at a certified dealership to maintain coverage; we’ll verify warranty status before recommending paid services.
Visit our Service Specials page for current offers and to see how Courtesy Hyundai of Tampa can deliver lower total cost combined with superior service and warranty protection.

How long does a check engine light service take?

Basic diagnostic scans are typically completed within a short visit; many codes are read and interpreted in under an hour.
Repair time depends on the issue—simple fixes like a gas cap or sensor replacement can be same-day; more complex repairs require additional time for parts and calibration.
We prioritize accurate diagnosis to avoid unnecessary repairs and long-term costs; our approach often costs less than independent shops by preventing repeat work.
For warranty repairs, timing and procedures are handled by our certified team to protect your coverage and ensure proper completion.

2023 Hyundai Kona Check Engine Light Flashing

The check engine light flashing in a 2023 Hyundai Kona signals an active misfire or condition that can damage the catalytic converter and drivetrain immediately. A flashing indicator is more urgent than a steady light and requires an immediate diagnostic scan to identify misfires, ignition faults, or fuel-delivery problems. Delaying service increases repair complexity and costs; the catalytic converter can be irreparably harmed within minutes of repeated misfires. At Courtesy Hyundai of Tampa, our factory-trained technicians use manufacturer-grade scanners and OEM procedures to pinpoint the cause quickly. Prompt service at our dealership protects your vehicle, helps avoid expensive downstream repairs, and ensures any warranty-covered work is performed to factory standards.

2023 Hyundai Kona Check Engine Light Reset

Resetting the check engine light on a 2023 Hyundai Kona is a temporary action that clears the stored code but doesn’t address the underlying issue. While an OBD-II code clear will turn off the indicator, the code and fault conditions can return if the root cause remains unresolved. Having your reset and repair completed by Courtesy Hyundai of Tampa ensures accurate diagnosis, OEM-quality parts, and warranty protection; any repairs covered under warranty must be performed at a certified dealer to maintain coverage. Our technicians perform a full scan, recommend necessary repairs, and verify the repair with a post-service scan so the light stays off and your Kona achieves optimal performance and long-term savings.

2023 Hyundai Kona Check Engine Light Codes

Common 2023 Hyundai Kona codes include P0420 (catalyst system efficiency), P0300-P0304 (engine misfires), and P0130-P0167 (oxygen/air-fuel sensor circuits). Ignoring these codes can worsen fuel economy, increase emissions, and lead to costly component failure—catalytic converter replacement and repeated misfires are particularly expensive. Early diagnosis limits repair scope and cost; for example, replacing a faulty O2 sensor is far less costly than replacing a converter. Courtesy Hyundai of Tampa provides transparent estimates and often delivers lower total cost than independent shops by combining precise diagnostics with OEM parts, factory procedures, and warranty-aware repairs that protect your investment in the long run.

Ready to schedule service? Visit our Service Specials at Service Specials, view New Inventory at New Inventory, or contact Courtesy Hyundai of Tampa online at tampahyundai.com.