Frequently Asked Questions

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

• Possible causes include emissions-related sensors, loose fuel cap, oxygen sensor issues, catalytic converter concerns, or ignition/misfire conditions. Each code points to a specific system our technicians can verify.
• At Larry H. Miller Hyundai Peoria we use OEM-level diagnostics and factory-trained technicians to identify the exact fault quickly, which reduces long-term repair costs and prevents collateral damage.
• Our dealership often costs less than independent shops when you factor in diagnostic accuracy, genuine parts, warranty coverage, and long-term reliability—saving you money over time.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage; our team will confirm warranty applicability during inspection.
• We offer service financing so you can get service now and pay later. To book, please schedule service or check current service specials.

How long does a check engine light service take?

• Typical diagnostics are completed within an hour at Larry H. Miller Hyundai Peoria; simple repairs may be same-day while more complex repairs can take longer depending on parts availability.
• Our certified technicians follow an efficient inspection process and keep you informed of findings and estimated repair times so you can plan accordingly.
• Using OEM parts and factory procedures speeds accurate repairs and reduces repeat visits—saving you time and money in the long run.
• We encourage you to schedule appointment online to reserve a diagnostic slot and take advantage of available service specials.

How much does a check engine light diagnostic cost for a 2018 Hyundai Santa Fe?

• Diagnostic prices vary; at Larry H. Miller Hyundai Peoria we provide transparent pricing and detailed findings so you understand every recommended repair and its benefits.
• Our approach often saves money compared with independent shops because accurate diagnostics prevent unnecessary parts replacement and preserve vehicle resale value.
• If repairs are required, we will quote parts and labor clearly and explain any warranty coverage. Repairs covered by warranty must be completed at a certified dealership to remain valid.
• Service financing is available so you can address safety or drivability concerns immediately—visit us or schedule service online.

What is the most common reason for check engine light on a 2018 Hyundai Santa Fe?

• Common reasons include loose or damaged gas caps, oxygen sensor failure, catalytic converter issues, and ignition/misfire faults. Each condition has different cost and safety implications if left unaddressed.
• Our factory-trained technicians at Larry H. Miller Hyundai Peoria will diagnose the exact code and recommend the most cost-effective repair plan using OEM parts.
• Addressing issues early at a certified dealership prevents secondary damage and often reduces lifetime maintenance costs; this provides immediate and long-term savings.
• For convenience, check our service specials and schedule service online.

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

• Begin by checking that the fuel cap is tightened; a loose cap is a common trigger and easy to fix.
• If the light persists, bring your 2018 Hyundai Santa Fe to Larry H. Miller Hyundai Peoria for a comprehensive scan—our OEM diagnostic tools read precise manufacturer codes.
• We provide clear estimates and explain warranty coverage; repairs covered under warranty must be performed at a certified dealership to maintain coverage.
• We offer service financing so you can make necessary repairs now. To get started, schedule service or view current service specials.