Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 Ford Expedition?

• It signals the vehicle’s onboard diagnostics detected a fault — anything from an evaporative system leak to an emissions or ignition problem.
• Our technicians at Coggin Ford Jacksonville run a complete scan and explain findings clearly; we often cost less than independent shops while delivering certified repairs that protect your warranty.
• Repairs covered under warranty must be performed at a certified dealership to remain valid. We also offer service financing so you can get service now and pay later.

How long does a check engine light service take?

• Typical diagnostic scans take 30–60 minutes. If parts or further testing are required, we’ll give you a clear timeline before work begins.
• Coggin Ford Jacksonville prioritizes quick turnarounds: factory tools, direct parts access, and experienced techs speed repairs and reduce downtime.
• Ready to proceed? schedule service online and view current service specials.

How much does a check engine light diagnostic cost for a 2016 Ford Expedition?

• Diagnostic pricing varies by issue; Coggin Ford Jacksonville provides upfront estimates and value—often costing less than independent shops while offering factory-trained technicians and OEM parts for long-term savings.
• We emphasize immediate and long-term savings: accurate diagnostics avoid repeat work, and warranty-covered repairs at our dealership maintain protection.
• Ask about service financing to spread cost or check our service specials for extra value.

What is the most common reason for check engine light on a 2016 Ford Expedition?

• Common issues include faulty oxygen sensors, loose gas caps, failing catalytic converters, and ignition misfires. Each can lead to reduced fuel economy or damage if left unaddressed.
• Our diagnostics identify root causes quickly so you save money now and avoid more expensive repairs later.
• If covered under warranty, those repairs must be completed by a certified dealership like Coggin Ford Jacksonville to ensure coverage remains valid.

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

• Start with a secure gas cap — it’s a simple fix that can clear the light. If the light persists or is flashing, don’t delay.
• A flashing check engine light often signals a serious issue requiring immediate attention; bring your vehicle to Coggin Ford Jacksonville so our experts can diagnose safely and quickly.
• To get help now, schedule appointment or review our service specials.

Check Engine Light Flashing

A flashing check engine light on your 2016 Ford Expedition usually indicates a misfire or another condition that can damage the catalytic converter if driven. When you see a flashing light, stop driving as soon as it is safe and have the vehicle inspected. At Coggin Ford Jacksonville, our factory-trained technicians use OEM diagnostic equipment to identify ignition, fuel, and emission system faults quickly. Acting fast saves on long-term repair costs by preventing secondary damage — an approach that provides immediate and future savings. We offer transparent estimates, genuine Ford parts, and documented repair plans so you understand the work and cost. We also provide service financing to spread payments and maintain your mobility without delay. Check our current service specials for seasonal offers. For urgent concerns, please schedule service online or contact our service team in Jacksonville for same-day options.

2016 Ford Expedition Check Engine Light Reset

Resetting the check engine light on a 2016 Ford Expedition can be done with a scan tool, but clearing codes without repairing the underlying fault can mask problems and lead to bigger failures. Coggin Ford Jacksonville recommends a full diagnostic and repair before any reset to protect reliability and warranty coverage. Our technicians log codes, outline repair needs, and provide clear estimates so you know exactly what work is necessary. Choosing the dealership often costs less than independent shops when factoring accurate diagnostics, OEM parts, and warranty protection that preserves your vehicle’s resale value. We back repairs with dealer-quality guarantees and can help you find financing if you need it. For convenience, schedule appointment online and learn about current service specials that reduce out-of-pocket expense.

2016 Ford Expedition Check Engine Light Codes

Common check engine codes on the 2016 Ford Expedition include P0300 (random/multiple cylinder misfire), P0420 (catalyst system efficiency below threshold), and P0171/P0174 (fuel trim issues). Left unaddressed, misfires (P0300) can destroy catalytic converters and cause poor performance; the cost of replacing a converter can far exceed the expense of timely ignition or injector repairs. A P0420 left unresolved often results in failed emissions tests and reduced fuel economy. Fuel trim codes may indicate vacuum leaks or faulty sensors that, if fixed early, are typically inexpensive at the dealership and help maintain efficiency. At Coggin Ford Jacksonville, we provide clear cost comparisons, fast turnarounds, and factory parts to restore performance and avoid larger bills down the road. Our certified technicians and dealer diagnostics reduce diagnostic time and improve repair accuracy. To protect your investment, schedule service or check our service specials before visiting.