Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Hyundai Ioniq Hybrid?

• It indicates the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emissions or hybrid-system fault. At Arapahoe Hyundai in CO, our certified technicians use OEM-level scanners to pinpoint the code quickly and accurately.
• Choosing our service often costs less than independent shops when you factor in correct diagnostics, OEM parts, and long-term reliability. Fixing problems early saves on future repairs and maximizes fuel economy.
• If the repair is covered under warranty, it must be completed at a certified dealership to preserve coverage. We also offer service financing so you can get service now and pay later.
• Ready to act? You can schedule service or check our service specials for current offers.

How long does a check engine light service take?

• Diagnostic scans are typically completed in under an hour. Most common repairs — like sensor or gas-cap issues — can be done the same day at Arapahoe Hyundai.
• More complex repairs that involve hybrid components or emissions systems may take longer; we provide clear time estimates and keep you informed at every step.
• Our streamlined process, OEM parts inventory, and factory-trained techs reduce downtime and deliver better long-term outcomes compared with repeat repairs from incomplete fixes.
• To minimize inconvenience, schedule service online and review current service specials before arrival.

How much does a check engine light diagnostic cost for a 2018 Hyundai Ioniq Hybrid?

• Pricing varies by the issue, but our diagnostics are competitively priced and often offer better immediate and long-term savings than independent shops because of accurate OEM diagnostics and lasting repairs.
• We will give an upfront estimate before any repair. If a repair is covered under warranty, it must be done at a certified dealership to keep the coverage valid.
• Ask about service financing to spread payment, and check our service specials for discounts before you schedule service.

What is the most common reason for check engine light on a 2018 Hyundai Ioniq Hybrid?

• Common causes include oxygen sensor faults, catalytic converter issues, or EV/hybrid system warnings. A loose gas cap is another frequent but simple trigger.
• Our technicians in CO diagnose the root cause fast with OEM scanners so you only pay for the necessary repair — saving you money over time by preventing collateral damage and reducing fuel inefficiency.
• Warranty-covered repairs must be performed at a certified dealership; we’ll confirm coverage and timing during intake.

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

• Check for obvious issues like a loose gas cap. If the light persists, bring the 2018 Hyundai Ioniq Hybrid to Arapahoe Hyundai for a full scan and clear diagnosis.
• We provide clear estimates, OEM parts, certified technicians, and service financing so you can address problems immediately without compromising budget.
• To move quickly, schedule service online and review current service specials before you arrive.