Frequently Asked Questions

What does it mean when the check engine light comes on in a 2026 Ford Mustang?

• It is a diagnostic alert from the vehicle’s on-board computer indicating a detected fault. It can range from a loose gas cap to an engine misfire.
• At Larry H. Miller Ford Lincoln Draper in Draper, UT, our factory-trained technicians scan the code and explain repair options and cost-saving fixes so you understand immediate and long-term benefits.
• We often cost less than independent shops while delivering OEM parts, certified technicians, and warranty-backed repairs that protect your vehicle’s longevity.
• Repairs covered under warranty must be performed at a certified dealership to remain valid; we’ll confirm coverage and next steps.
• To get inspected quickly, schedule service online and ask about available service specials and service financing.

How long does a check engine light service take?

• Most diagnostics take 30–90 minutes depending on code complexity and road testing needs. Simple fixes may be completed the same day.
• At Larry H. Miller Ford Lincoln Draper, we prioritize speed without sacrificing accuracy — OEM procedures reduce rework and extend vehicle life.
• We communicate timelines clearly and provide loaner options or comfortable waiting areas when available; you can also schedule service to reserve a convenient slot.
• Ask about our service specials to lower your immediate cost and learn about service financing so you can pay over time.

How much does a check engine light diagnostic cost for a 2026 Ford Mustang?

• Diagnostic pricing varies by issue. Our transparent pricing and written estimates help you compare options and see immediate and long-term savings from proper repairs.
• Larry H. Miller Ford Lincoln Draper frequently provides competitive diagnostic rates that can be lower than local independent shops while including factory-level scanning, OE-level parts, and warranty protection.
• We explain costs clearly and offer service specials and service financing to help you get needed repairs now and pay later.
• For a fast appointment, schedule appointment online and bring any service history so our technicians can diagnose efficiently.

What is the most common reason for check engine light on a 2026 Ford Mustang?

• Common causes include ignition misfires, oxygen sensor failures, catalytic converter efficiency codes, and evap system leaks.
• Unchecked, these issues can escalate—misfires can damage the catalytic converter, increasing repair costs and downtime. Our team in Draper, UT diagnoses causes and outlines cost-effective repairs to protect long-term value.
• We use OEM parts and factory-recommended repairs to reduce repeat visits and maintain warranty coverage.
• To preserve performance and fuel economy, schedule service with our certified technicians and review current service specials.

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

• Start with obvious checks: secure the gas cap, monitor vehicle performance, and note any drivability issues such as rough idle or loss of power.
• If the light is steady and performance is normal, book a diagnostic with our dealership. If it is flashing, stop driving and contact us immediately (see next section).
• Our team inspects codes, explains warranty eligibility, and recommends repairs that save you money over time by preventing secondary failures.
• You can schedule service now and explore financing options to get necessary repairs completed without delay.