Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 Hyundai Sonata Plug-in Hybrid?

• It signals a detected issue in the powertrain, emissions, or engine management system. Codes range from loose gas caps to sensor or emissions control faults.
• At Arapahoe Hyundai in CO our technicians use factory-grade scanners to read codes and explain the diagnosis in plain language so you know exact next steps.
• Repairing early often saves money over time by avoiding bigger damage; our service pricing often costs less than independent shops while delivering OEM parts and certified technicians for lasting value.
• We offer service financing to help you get necessary repairs now and pay later, and you can schedule service online for a fast diagnostic.
• Remember: Warranty-covered repairs must be completed at a certified dealership like Arapahoe Hyundai to keep your protection intact.

How long does a check engine light service take?

• Most diagnostics are completed within an hour; simple fixes (like replacing a sensor or tightening a gas cap) can be same-day depending on parts availability.
• Complex repairs that require parts ordering or deeper inspection may take longer; our service advisors give an accurate ETA and keep you informed throughout.
• Arapahoe Hyundai prioritizes quick turnaround with certified technicians and streamlined bays so you get back on the road safely and sooner.
• We highlight long-term savings from proper repairs and quality OEM parts—this reduces repeat visits and extends vehicle life.
• To reserve a convenient time, schedule service online or ask about our current service specials.

How much does a check engine light diagnostic cost for a 2016 Hyundai Sonata Plug-in Hybrid?

• Diagnostics at Arapahoe Hyundai start from $72.45 for a standard check engine scan, with a full estimate provided after codes are retrieved.
• We often cost less than independent shops while delivering factory-trained technicians and OEM parts, which creates both immediate and long-term savings.
• Upfront pricing, clear estimates, and repair options make it easy to compare value; our team explains warranty coverage and why dealership service protects that coverage.
• Service financing is available so you can address problems promptly and avoid higher future repair costs—ask your advisor for options.
• Click to schedule service or view current service specials before you come in.

What is the most common reason for check engine light on a 2016 Hyundai Sonata Plug-in Hybrid?

• The most frequent causes include evaporative emissions leaks (loose gas cap), oxygen sensor faults, or catalytic converter performance issues, plus hybrid-related sensor alerts.
• If left unaddressed, these issues can reduce fuel economy, increase emissions, or damage costly components—repairing them early saves money and preserves performance.
• Arapahoe Hyundai’s certified technicians diagnose hybrid systems precisely and recommend OEM parts to maintain efficiency and longevity.
• We provide clear cost comparisons and emphasize long-term value; dealership service often offers better lifecycle savings than ad-hoc repairs at independent shops.
• To get a fast, accurate check, schedule service or check our service specials for discounts.

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

• Begin with the basics: tighten the gas cap and check for obvious fluid leaks; many lights are triggered by simple EVAP leaks.
• If the light remains, bring the vehicle to Arapahoe Hyundai for a professional scan so codes are read and interpreted correctly by factory-trained techs.
• Dealership diagnostics provide more accurate hybrid-system insights, OEM replacement parts, and warranty protections—repairs covered under warranty must be performed at a certified dealership.
• We offer service financing to make prompt repairs manageable and to avoid escalation into costlier failures.
• Ready to confirm the issue? Schedule appointment online or browse current service specials.