Frequently Asked Questions

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

• It indicates the vehicle’s onboard diagnostics detected an issue — anything from an emissions sensor fault to a battery/charging concern. Our certified technicians at David McDavid Ford in TX will read the code and explain the exact cause and repair options.
• We emphasize clear pricing and long-term savings — our dealership often costs less than independent shops while delivering factory-trained expertise, OEM parts, and warranty-backed repairs. If a repair is covered under warranty, it must be completed at a certified dealership to remain valid.
• We offer service financing so you can get service now and pay later. To arrange service with priority, schedule service or check our current service specials.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on whether road testing or in-depth battery/system checks are required. Most visits are completed same day thanks to streamlined processes at David McDavid Ford.
• Our factory-trained technicians use OEM tools for faster, more accurate diagnosis, reducing repeat visits and saving you money over time. We’ll explain timelines and repair options up front.
• Book a convenient time to visit or schedule appointment online and review available service specials before you arrive.

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

• Diagnostic prices vary, but at David McDavid Ford we provide transparent estimates and explain value — our service often costs less than many independent shops when you factor in OEM parts, certified technicians, and warranty protection.
• Initial diagnostics include code retrieval and a technician consultation. If additional repairs are needed, we’ll provide written estimates and outline immediate and long-term savings from using OEM parts and dealer expertise.
• We also offer service financing so you can address urgent repairs now and pay over time. To learn more or to schedule service, visit our service center or view current service specials.

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

• Common causes include sensor faults (oxygen or EV system sensors), loose or damaged charging components, or battery management alerts. Early diagnosis prevents escalation and higher repair costs.
• At David McDavid Ford we diagnose accurately using OEM-grade equipment to preserve vehicle longevity and fuel/battery efficiency, which saves money over the life of your vehicle.
• If your repair is covered by warranty, it must be completed at a certified dealership — our team will manage warranty claims and keep you informed throughout.

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

• Safely check for any immediate warnings on the dash and whether the vehicle is drivably normal. For plug-in hybrids like the 2018 Ford Fusion Energi, watch for battery or charging notifications.
• Contact the service department to arrange prompt diagnostics. Our advisors will prioritize safety-related codes and recommend next steps. We emphasize fast turnaround, transparent pricing, and the use of OEM parts to protect your investment.
• To get started, schedule appointment online or review current service specials. Ask about service financing to handle urgent repairs now.