Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Ford F-150?

• It indicates the vehicle's onboard diagnostics detected a fault—anything from a loose gas cap to an emissions or engine performance issue.
• At Larry H. Miller Ford Lincoln Draper in Draper, UT, our technicians use OEM-grade scanners and factory procedures to identify the precise fault codes and required repairs.
• Choosing our dealership often costs less than independent shops when you factor in long-term savings from correct, warranty-backed repairs and OEM parts.
• Warranty-covered repairs must be performed at a certified dealership to preserve coverage; we handle those claims efficiently so you avoid future expenses.
• To get an accurate diagnosis, schedule service and ask about our current service specials.
• We also offer service financing, so you can get necessary work done now and pay over time.

How long does a check engine light service take?

• Diagnostic checks are typically completed within 30–90 minutes depending on the fault and road-testing needs.
• If repairs are required, most common fixes (sensor replacements, loose gas cap, simple emissions repairs) can be completed the same day with rapid parts access at our Draper facility.
• Because we stock many OEM parts and our technicians are factory-trained, turnaround is faster and more reliable than many independents.
• Scheduling ahead helps us prioritize your visit—please schedule service and review our service specials to save.
• Ask about service financing to spread payments while protecting your vehicle’s long-term value.

How much does a check engine light diagnostic cost for a 2020 Ford F-150?

• Diagnostic pricing can vary by issue; at Larry H. Miller Ford Lincoln Draper we provide transparent quotes and competitive rates that often cost less than independent shops when you account for OEM parts and warranty protection.
• We explain immediate and long-term savings you gain by using certified technicians who properly diagnose and repair the underlying issue—preventing repeated visits and higher future repair bills.
• If additional parts or labor are needed, you’ll receive an itemized estimate before work begins; remember that warranty-covered repairs must be done at a certified dealership to remain valid.
• To get a precise price, schedule service and check available service specials. We also offer service financing to help manage costs.

What is the most common reason for check engine light on a 2020 Ford F-150?

• Common causes include faulty oxygen sensors, loose or missing gas caps, evaporative emissions system leaks, and failing catalytic components.
• Left unaddressed, these can reduce fuel economy, increase emissions, and eventually lead to costly repairs—our diagnostics identify issues early to save you money over time.
• Our certified technicians in Draper, UT use Ford-recommended procedures to repair problems correctly and preserve vehicle longevity.
• We encourage drivers to review available service specials and schedule service for prompt attention and peace of mind.

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

• Start with basic checks: make sure the gas cap is tightened properly—this simple step resolves many emissions codes.
• If the light remains, bring your 2020 Ford F-150 to Larry H. Miller Ford Lincoln Draper for a full scan; our factory tools reveal the exact code and required action.
• Because warranty repairs must be completed at certified facilities, using our dealership protects your coverage and future resale value.
• To avoid downtime, schedule service now and review current service specials. Service financing is available if you need it.