Frequently Asked Questions

What does it mean when the check engine light comes on in a 2017 Ford Mustang V6?

• The check engine light means the vehicle's onboard diagnostics detected a fault — anything from a loose gas cap to an emissions, ignition, or fuel-system issue.
• At Larry H. Miller Ford Mesa in Mesa, AZ, our factory-trained technicians use OEM-grade scanners to read codes, diagnose root causes, and explain immediate repairs and long-term cost implications clearly.
• Choosing our dealership often costs less than independent shops because we focus on accurate diagnosis, right-first-time repairs, OEM parts, and long-term savings tied to warranty protection and improved vehicle longevity.
• All warranty-covered repairs must be performed at a certified dealership to preserve coverage. We also offer service financing so you can get service now and pay later.
• Ready to get it checked? schedule service and review current service specials for added savings.

How long does a check engine light service take?

• Typical diagnostic sessions at Larry H. Miller Ford Mesa take 30–90 minutes depending on the complexity of codes and whether test drives or component tests are required.
• If the issue is a simple fix — like a loose gas cap or an oxygen sensor — many customers are back on the road the same day; more complex repairs may require a short return visit.
• We prioritize efficiency with OEM tools and experienced technicians, which reduces repeat visits and delivers immediate and long-term savings compared with guesswork repairs.
• We also provide transparent estimates before any work begins, offer service financing, and publish current discounts in our service specials to help manage cost.
• To reserve a convenient time, schedule appointment online or contact our service team at Larry H. Miller Ford Mesa.

How much does a check engine light diagnostic cost for a 2017 Ford Mustang V6?

• Diagnostics vary by condition, but our typical diagnostic fee is competitively priced and often less than independent shops once you factor in accurate diagnosis, OEM parts, and warranty protection.
• An accurate diagnostic prevents unnecessary parts replacement and reduces long-term repair costs — for example, identifying a faulty ignition coil early can prevent catalytic converter damage and much higher expenses later.
• We provide transparent pricing, written estimates, and explain immediate and lifetime savings from proper repairs. Warranty-covered work must be done at a certified dealership to maintain coverage.
• We offer service financing so you can address problems now and spread payments over time, plus current discounts in our service specials.
• To get started or confirm pricing for your Mustang, schedule service with Larry H. Miller Ford Mesa.

What is the most common reason for check engine light on a 2017 Ford Mustang V6?

• The most frequent causes include a loose or damaged gas cap, failing oxygen sensors, ignition misfires, or secondary air system and catalytic converter issues.
• Small issues left unresolved — like a failing O2 sensor — decrease fuel economy and can lead to expensive catalytic converter replacement down the road; addressing them early saves money.
• At Larry H. Miller Ford Mesa, our certified techs accurately identify the faulty component and recommend the most cost-effective solution using OEM parts and factory repair procedures.
• We emphasize immediate and long-term savings, transparent pricing, warranty protection for covered items, and available service financing to help you manage repairs.
• Check current offers in our service specials and schedule service online for a prompt inspection.

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

• Start with the basics: ensure the gas cap is tightened, check fluid levels, and look for obvious signs like smoke or strong odors. These simple checks can resolve many codes.
• If the light persists or is flashing, bring the vehicle to Larry H. Miller Ford Mesa immediately — a flashing light often indicates a serious misfire that can damage the catalytic converter.
• Our technicians will run a full OEM diagnostic, explain required repairs, and provide a transparent estimate. Warranty-covered repairs should be performed at a certified dealership to maintain coverage.
• We offer service financing, quick-turn service lanes, and ongoing service specials to reduce out-of-pocket cost and protect your Mustang's longevity.
• When you're ready, schedule service with our Mesa, AZ team for fast, trusted care.