Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Ford Expedition MAX?

• It indicates the vehicle’s onboard computer has detected a fault in emissions, engine management, or related systems — anything from a loose gas cap to a failing sensor or exhaust issue.
• At Larry H. Miller Ford Lincoln Draper in Draper, UT, our certified technicians run a complete diagnostic to identify the exact trouble code and explain repair options clearly.
• We often cost less than independent shops while delivering factory-trained expertise, OEM parts, and warranty-backed repairs — delivering immediate savings and protecting long-term resale value.
• Repairs covered under warranty must be completed at a certified dealership to preserve coverage; our team makes that simple and transparent.
• To get a timely inspection, schedule service online or review current service specials before you arrive.

How long does a check engine light service take?

• A typical diagnostic scan and initial inspection takes 30–60 minutes, depending on symptoms and road-test needs for a thorough diagnosis on a 2018 Ford Expedition MAX.
• If additional repairs or parts are required, we provide an accurate estimate and timeline up front so you can decide with confidence.
• Our shop prioritizes speed without cutting corners — OEM parts, factory procedures, and experienced techs mean faster, correct repairs and fewer return visits.
• We offer service financing so you can get repairs now and pay later, and you can always schedule appointment online for the earliest available slot.

How much does a check engine light diagnostic cost for a 2018 Ford Expedition MAX?

• Diagnostic prices vary by issue, but Larry H. Miller Ford Lincoln Draper frequently offers competitive rates that undercut many independent shops while including thorough digital reports and technician time.
• Choosing our dealership means you get OEM-level testing, a clear repair plan, and potential long-term savings from correctly addressing the root cause — not just clearing the code.
• Ask about current service specials and our service financing options to make the cost manageable today while protecting future value.
• Remember: warranty repairs must be performed at a certified dealership to remain valid; our team will handle authorization and documentation for you.

What is the most common reason for check engine light on a 2018 Ford Expedition MAX?

• Common triggers include a faulty oxygen sensor, loose gas cap, catalytic converter issues, or mass airflow sensor faults — each has distinct symptoms and consequences if not repaired.
• Left unaddressed, these issues can reduce fuel economy, harm driveability, and cause costly downstream damage; our diagnostics identify the precise code and recommend OEM repairs.
• We emphasize transparent pricing and vehicle longevity: fixing the right part now often saves you significantly compared to repeated roadside fixes.
• To protect warranty coverage and ensure correct repairs, schedule service at our Draper facility via schedule service.

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

• Begin with a quick visual check: ensure the gas cap is tightened and look for obvious leaks or unusual noises.
• Then bring the vehicle to Larry H. Miller Ford Lincoln Draper for a professional scan — our certified techs read the exact code and explain options that protect immediate performance and long-term value.
• We provide quick turn diagnostics and clear estimates, often at a lower net cost than independent shops because our repairs use OEM parts and correct procedures the first time.
• Use our online tools to schedule appointment or check current service specials before visiting.