Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 Ford Fiesta?

• It signals the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to a misfire. Our certified technicians at Larry H. Miller Ford Mesa in Mesa, AZ use OEM-level scanners to identify the exact code and recommend a clear repair plan.
• When we diagnose the problem, we explain immediate and long-term costs so you can weigh repair urgency. Our dealership often costs less than independent shops while delivering factory training, OEM parts, and better long-term savings through correct repairs and warranty protection.
• Repairs covered under warranty must be done at a certified dealership to keep coverage intact. We also offer service financing so you can get the repair now and pay later. To move forward, schedule service or check our service specials.

How long does a check engine light service take?

• Diagnostic scans are typically completed within 30–60 minutes. If additional repairs are needed, total time depends on the issue — from an hour for simple fixes to a half-day for more complex repairs.
• At Larry H. Miller Ford Mesa we prioritize quick turnaround with transparent timelines, OEM parts on hand, and certified technicians to avoid repeat visits and reduce ownership costs.
• Remember we offer service financing and frequent service specials. You can schedule appointment online for the fastest service experience.

How much does a check engine light diagnostic cost for a 2016 Ford Fiesta?

• Pricing varies by issue, but our diagnostic fees are competitive and often less than independent shops when you factor in accuracy, OEM parts, and warranty protection.
• We provide an itemized estimate before any repair so you understand immediate and long-term savings from proper repairs that prevent larger failures.
• We accept service financing to help spread payments and encourage timely repairs. To get booked, schedule service or view service specials.

What is the most common reason for check engine light on a 2016 Ford Fiesta?

• Common causes include oxygen sensor faults, loose or faulty gas caps, catalytic converter issues, and ignition misfires. Each has a different long-term cost if ignored — lower fuel economy, catalytic damage, or engine harm.
• Our technicians diagnose root causes quickly using Ford-approved tools, helping you avoid larger repairs and saving money over time. Warranty-covered repairs must be performed at a certified dealership to maintain coverage.
• To take action now, schedule appointment with Larry H. Miller Ford Mesa and check our current service specials.

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

• Start with basics: ensure the gas cap is tight and the cap threads aren’t damaged. If the light remains, bring the vehicle in for a scan so a certified technician can read the code and advise next steps.
• Using OEM diagnostics at Larry H. Miller Ford Mesa in Mesa, AZ, we give a reliable diagnosis that avoids unnecessary work and maximizes long-term value. We also offer service financing so repairs are accessible.
• Book fast, accurate service with trained Ford technicians: schedule service or view our service specials.