Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Ford F-350 Super Duty?

• It indicates the vehicle’s onboard diagnostics has stored a fault code. Codes range from minor emissions issues to more serious engine or sensor failures.
• At Larry H. Miller Ford Lincoln Draper in Draper, UT, our certified technicians read the code and explain repair options clearly so you understand immediate and long-term savings from timely repairs.
• We use OEM parts and factory procedures, helping preserve warranties and vehicle value — any warranty-covered repairs must be performed at a certified dealership.
• We offer service financing so you can get repairs now and pay later, and you can view current service specials to maximize savings.
• To get started quickly, schedule service online and we’ll prioritize a fast, accurate diagnosis.

How long does a check engine light service take?

• Most diagnostics take 30–90 minutes depending on road-test needs and complexity of codes.
• If repairs are required, we provide a clear estimate and timeline. Our goal is to minimize downtime using efficient bays, OEM parts stocked for many Ford models, and factory-trained techs.
• Choosing Larry H. Miller Ford Lincoln Draper often saves you time and money over multiple trips — quick fixes now prevent costlier repairs later.
• We also offer service financing and can apply current service specials for added savings. To reserve a slot, schedule appointment.

How much does a check engine light diagnostic cost for a 2020 Ford F-350 Super Duty?

• Diagnostics at our dealership commonly start around $82.95 for a standard scan and code read — we provide a transparent estimate before work begins.
• Our pricing emphasizes value: you get factory-trained technicians, OEM parts, and accurate diagnosis that prevents unnecessary repairs — immediate and long-term savings compared with frequent return visits.
• We honor warranties and require warranty repairs to be completed at a certified dealership to protect coverage and resale value.
• Ask about payment options — we provide service financing and current service specials to make necessary repairs affordable. Book time now via schedule service.

What is the most common reason for check engine light on a 2020 Ford F-350 Super Duty?

• Common causes include faulty oxygen sensors, loose gas caps, EVAP system leaks, or failing catalytic components — each has different impacts on emissions and fuel economy.
• Left unaddressed, these issues can reduce fuel efficiency, increase emissions, and lead to more expensive repairs such as catalytic converter replacement or engine damage.
• Our service advisors prioritize fixes that protect long-term performance and fuel savings, and we provide clear cost/benefit explanations before any repairs.
• To protect your investment and take advantage of our OEM parts and trained techs, schedule appointment online and check current service specials.

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

• Start with a code read — it quickly identifies the system at fault. For many drivers, a visual inspection of the gas cap, battery connections, and visible hoses can reveal simple issues.
• At Larry H. Miller Ford Lincoln Draper, we perform a thorough diagnostic that includes code retrieval, live-data checks, and a road test if needed to ensure accurate repairs.
• We explain warranty implications and recommend OEM repairs to protect coverage. Repairs covered under warranty must be performed at a certified dealership to remain valid.
• Use our online tools to schedule service quickly and review current service specials to save on recommended maintenance.

Check Engine Light Flashing

A flashing check engine light on a 2020 Ford F-350 Super Duty signals a potentially serious condition — often an active misfire that can overheat and damage the catalytic converter if driven. At Larry H. Miller Ford Lincoln Draper in Draper, UT, we treat a flashing light as an urgent concern: our technicians begin with a diagnostic scan, live-data review, and targeted road test to isolate misfires, fuel delivery issues, ignition faults, or sensor failures. Because a flashing condition can escalate quickly into costly repairs, prompt dealership service protects long-term value and prevents repeated visits. We provide a clear estimate and use OEM parts and factory-recommended procedures to restore proper operation. Take advantage of our service specials and service financing to manage unexpected repairs — then schedule service online to secure fast, prioritized care from certified technicians.

2020 Ford F-350 Super Duty Check Engine Light Reset

Resetting the check engine light on a 2020 Ford F-350 Super Duty can be simple, but a reset without fixing the underlying fault risks repeat faults and potential warranty complications. At Larry H. Miller Ford Lincoln Draper, our approach is to diagnose and repair first, then clear codes and verify they don’t return. That ensures the vehicle’s systems operate correctly and preserves warranty protections — warranty repairs must be completed at a certified dealership. We use OEM diagnostic tools to log pre- and post-repair data, and we provide written service records for resale value and peace of mind. Transparent pricing, factory-trained techs, and genuine Ford parts mean you receive reliable work that reduces total ownership cost. Check our current service specials, use service financing if needed, and schedule appointment online for a trusted, professional reset and repair.

2020 Ford F-350 Super Duty Check Engine Light Codes

In Draper, UT, common check engine codes for the 2020 Ford F-350 Super Duty include oxygen sensor faults (reduced fuel economy, increased emissions), EVAP leaks (fuel odors and failed emissions tests), and misfire codes (engine damage risk if ignored). Ignoring codes often leads to higher repair costs — for example, a faulty O2 sensor left unchecked can cause poor mileage and eventual catalytic converter failure. Larry H. Miller Ford Lincoln Draper offers full diagnostics, clear cost estimates, and repair plans tailored to minimize immediate and long-term expense. Our certified techs explain the implications of each code and recommend OEM parts and factory procedures to protect performance and resale value. We encourage customers to review service specials, take advantage of service financing, and schedule service to restore safe, efficient operation promptly.