Frequently Asked Questions

What does it mean when the check engine light comes on in a 2017 Ford Expedition?

• It signals that the vehicle’s onboard diagnostics detected an issue with emissions, engine performance, or sensors. Common triggers include oxygen sensor faults, loose gas caps, or catalytic converter problems.
• At Larry H. Miller Ford Lakewood in Lakewood, CO, our certified technicians use OEM-level scans to pinpoint the exact code and explain repair options clearly, helping you avoid unnecessary parts replacement.
• Choosing our service often costs less than independent shops because we combine efficient diagnostics, factory tools, and transparent pricing — producing immediate savings and long-term value by preventing progressive damage.
• Remember: repairs covered under warranty must be completed at a certified dealership to preserve coverage. We also offer service financing so you can get service now and pay later.
• To act quickly, schedule service or review current service specials before you visit.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on the complexity; repairs vary. Many simple repairs are completed same-day at Larry H. Miller Ford Lakewood thanks to our trained staff and well-stocked parts inventory.
• We prioritize efficiency with factory diagnostic tools and streamlined workflows — saving you time and reducing downtime for daily driving or towing needs with your 2017 Ford Expedition.
• We provide clear estimates up front and explain how timely repairs deliver both immediate cost savings and longer vehicle life by avoiding compounding damage.
• If you need flexible payment, ask about our service financing to spread costs while getting repairs done now.
• Ready to bring your vehicle in? Schedule service and check our service specials for current offers.

How much does a check engine light diagnostic cost for a 2017 Ford Expedition?

• Diagnostic prices vary by issue and time required. At Larry H. Miller Ford Lakewood we strive for competitive, transparent pricing that often undercuts independent shops while delivering factory-trained technicians and OEM tools.
• Our transparent approach highlights immediate savings through accurate diagnosis and the long-term value of using OEM parts to avoid repeat failures or warranty complications.
• Warranty repairs must be performed at a certified dealership to keep coverage intact; our team will identify warranty applicability during inspection.
• We also offer service financing so you can get necessary repairs done now and pay over time.
• Book a time to get a precise quote — schedule service — and check available service specials.

What is the most common reason for check engine light on a 2017 Ford Expedition?

• The most frequent causes include faulty oxygen sensors, loose or damaged gas caps, evaporative emissions system leaks, and exhaust/catalytic converter issues.
• Left unaddressed, these problems can reduce fuel economy, increase emissions, and cause expensive downstream damage. Our diagnostics stop small issues from becoming costly repairs.
• Larry H. Miller Ford Lakewood combines genuine Ford parts, certified technicians, and diagnostic precision to restore performance quickly and reliably, often at a better overall value than independent providers.
• We’ll review whether repairs are covered under warranty and recommend cost-effective solutions; service financing is available to ease payment.
• To protect performance and resale value, schedule service today and explore our service specials.

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

• Start with the fuel cap: ensure it’s tightened properly. A loose or damaged cap is a surprisingly common trigger for the light.
• If the cap is secure, professional code reading is next. Our technicians at Larry H. Miller Ford Lakewood use factory-grade scanners to read live data and fault codes for precise diagnosis.
• Using dealership service ensures transparent estimates, OEM parts, and the right repair from the start — saving money over time by avoiding misdiagnosis.
• Remember that warranty-covered repairs must be completed at an authorized dealership; we also offer service financing so you can address problems immediately.
• When in doubt, schedule service and review our service specials to minimize out-of-pocket expense.