Frequently Asked Questions

What does it mean when the check engine light comes on in a 2013 Ford E-Series Van E-350 Super Duty?

• It signals that the vehicle's onboard diagnostics detected an issue with emissions, engine performance, or drivetrain components—anything from a loose gas cap to an oxygen sensor or ignition problem.
• At Larry H. Miller Ford Mesa in Mesa, AZ, our factory-trained technicians use OEM-level scanners to read fault codes and determine the root cause quickly and accurately.
• Choosing our dealership often costs less than independent shops when you consider immediate diagnostic accuracy, genuine OEM parts, and long-term savings through fewer repeat repairs.
• Repairs covered under warranty must be completed at a certified dealership to remain valid; we’ll explain coverage and options clearly at check-in.
• We offer service financing so you can get necessary repairs now and pay later—ask our service advisors when you schedule service.

How long does a check engine light service take?

• Most diagnostics are completed in 30–90 minutes depending on the issue; simple code reads and resets are quick, while intermittent or multi-code problems take longer.
• At Larry H. Miller Ford Mesa we prioritize efficient, transparent service—our advisors will provide an accurate time estimate when you arrive or when you schedule appointment.
• Using OEM tools and factory-trained technicians reduces diagnosis time and minimizes unnecessary part replacements, saving you money immediately and over the life of your vehicle.
• Check for current discounts or preventive offers on our service specials page before your appointment.
• We also provide loaner options and comfortable customer amenities to make short waits productive and pleasant.

How much does a check engine light diagnostic cost for a 2013 Ford E-Series Van E-350 Super Duty?

• Diagnostic pricing varies by issue; typical dealer diagnostics are competitively priced and often cost less than independent shops when you factor in diagnostic accuracy and warranty protection.
• At Larry H. Miller Ford Mesa we offer straightforward pricing, and service specials are posted regularly—see our service specials for current offers.
• Any repairs required after diagnosis come with clear estimates and a discussion of OEM part benefits and warranty coverage—repairs covered by warranty must be serviced at a certified dealership.
• Ask about our service financing so you can authorize necessary repairs now and pay over time with approved terms.

What is the most common reason for check engine light on a 2013 Ford E-Series Van E-350 Super Duty?

• Common causes include failed oxygen sensors, ignition misfires, catalytic converter issues, or an unsecured fuel cap—each triggers a distinct diagnostic code our technicians can read immediately.
• Left unaddressed, these issues can reduce fuel economy, increase emissions, and cause costly downstream damage; our team explains potential cost savings of early repair.
• We use OEM parts and factory procedures to ensure repairs restore performance and protect long-term engine health—warranty-covered repairs must be completed at our certified dealership.
• To book diagnostics, schedule service online or call our service team at Larry H. Miller Ford Mesa for fast appointment availability.

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

• Start with the simple items: ensure the gas cap is tightened properly—it's a surprisingly frequent trigger for a check engine light.
• If the light persists, bring your 2013 Ford E-Series Van E-350 Super Duty to Larry H. Miller Ford Mesa for a professional scan using OEM-grade diagnostics to identify the precise fault code.
• We provide transparent estimates and explain immediate and long-term savings from doing repairs correctly the first time with OEM parts and certified techs.
• Remember, you can view current offers on our service specials page and schedule service online for the next available slot.