Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Ford F-250 Super Duty?

• The check engine light signals that the truck's onboard diagnostics detected an issue with emissions, engine sensors, fuel delivery, or related systems. It does not always mean catastrophic failure, but it does indicate a condition that should be inspected promptly.
• At Larry H. Miller Ford Lincoln Draper in Draper, UT, our factory-trained technicians use OEM-level tools and diagnostics to pinpoint the exact code, helping you avoid unnecessary repairs and long-term damage.
• Choosing our dealership often costs less than independent shops when you consider accurate diagnostics, OEM parts, warranty protection, and improved resale value. Ask about our service financing so you can get repairs now and pay later.
• Any repair work that must be covered under warranty should be performed at a certified dealership to preserve coverage and ensure correct repair records.

How long does a check engine light service take?

• Most diagnostics are completed in about 30–90 minutes depending on complexity and whether test drives or additional inspections are required.
• If repairs are needed, our team will provide a clear estimate and timeline. We prioritize quick turnaround using OEM parts, and we’ll communicate immediate and long-term savings from fixing issues early.
• To minimize disruption, you can schedule service online. Ask our advisors about loaner options, shuttle service, and available discounts on related maintenance via our service specials.

How much does a check engine light diagnostic cost for a 2018 Ford F-250 Super Duty?

• Diagnostics commonly start around $79, but final pricing depends on the complexity of the code and any additional testing needed.
• Larry H. Miller Ford Lincoln Draper emphasizes transparency: you’ll receive a clear estimate before work begins. Compared to many independent shops, our dealership frequently delivers better immediate and long-term value thanks to accurate diagnostics, OEM parts, and warranty protection.
• We also offer service financing so you can address issues now and pay over time, preserving your truck’s performance and resale value.

What is the most common reason for check engine light on a 2018 Ford F-250 Super Duty?

• Common triggers include a loose fuel cap, faulty oxygen sensors, mass airflow sensor issues, or catalytic converter concerns. On heavy-duty trucks like the 2018 Ford F-250 Super Duty, sensors tied to turbo, fuel, and emissions systems can be frequent culprits.
• Ignoring codes can increase fuel use, reduce towing capability, and cause expensive downstream failures. Our technicians diagnose the root cause and explain both immediate fixes and cost-saving long-term maintenance.
• Use our service specials for routine items and schedule service to keep your truck operating at peak capacity.

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

• First, look for obvious signs: a loose or missing gas cap, unusual noises, or fluid leaks. If nothing obvious appears, bring the truck to certified technicians for a proper scan.
• Larry H. Miller Ford Lincoln Draper uses OEM diagnostic tools tailored to the 6.2L V8 engine and heavy-duty systems of the 2018 Ford F-250 Super Duty, delivering faster, more accurate repairs and preserving manufacturer warranties when applicable.
• To get immediate attention and preserve long-term reliability, schedule service online or review current service specials before your visit.