Frequently Asked Questions

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

• It indicates the vehicle’s onboard diagnostics detected a system fault — anything from an emissions sensor to fuel delivery or ignition issues.
• At Larry H. Miller Ford Mesa, our technicians run a complete scan and explain findings in plain language so you understand immediate repairs and long-term implications.
• We emphasize cost savings: our diagnostics and repairs often cost less than independent shops while delivering OEM parts, factory-grade equipment, and documented service history that preserves resale value.
• Repairs covered by warranty must be done at a certified dealership to remain valid; our team will confirm coverage and next steps.
• To address issues promptly, schedule service and ask about service financing if you need to pay over time.

How long does a check engine light service take?

• Typical diagnostic scans take 30–60 minutes; follow-up repairs vary based on parts and complexity.
• At Larry H. Miller Ford Mesa we prioritize quick turnarounds with express lanes, OEM parts inventory, and certified technicians to minimize downtime.
• We provide transparent time estimates and keep you informed, helping you weigh immediate versus scheduled repairs for long-term vehicle health.
• Ask about our current service specials and service financing to maximize immediate and long-term savings.
• Ready to book? Schedule appointment online for a faster check-in.

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

• Costs vary by fault, but our diagnostics are competitively priced and often less than independent shops after factoring parts quality and warranty protection.
• We focus on immediate savings through accurate diagnosis and long-term value by using OEM parts and factory-trained technicians that reduce repeat visits.
• If warranty coverage applies, repairs must be completed at a certified dealership to remain eligible; we’ll verify coverage before work begins.
• We also offer service financing so you can get necessary repairs now and pay over time—ask our service advisors for details.
• To get an exact estimate, schedule service or browse current service specials.

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

• The most frequent causes include oxygen sensor faults, loose or damaged gas caps, catalytic converter issues, or ignition coil and spark plug wear.
• Left unfixed, these can reduce fuel economy, increase emissions, and lead to costly repairs such as catalytic converter replacement or engine damage.
• Our Mesa team pinpoints root causes quickly and explains cost-effective repair paths that prioritize reliability and savings over time.
• Warranty-covered fixes should be done at a certified dealer—our service advisors will confirm coverage and recommend next steps.
• Book a fast inspection by scheduling service or view current service specials.

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

• Start with basic items: ensure the gas cap is tightened and inspect for obvious issues like low oil or coolant.
• Bring your 2018 Ford Flex to Larry H. Miller Ford Mesa for a professional scan—DIY resets can mask problems and lead to larger expenses later.
• Our certified technicians use OEM diagnostics to identify both immediate fixes and conditions that affect long-term reliability.
• We provide clear estimates, warranty checks, and service financing so you can make the right repair choice without delay.
• To protect your vehicle, schedule service promptly and consult our service specials for savings.