Frequently Asked Questions

What does it mean when the check engine light comes on in a 2025 Ford Ranger?

• It indicates the vehicle’s onboard diagnostics found a fault. That can range from a simple loose gas cap to emissions or engine system issues.
• Our factory-trained technicians at Larry H. Miller Ford Mesa diagnose the cause quickly using OEM-grade scanners to pinpoint the trouble code and recommend the right repair.
• We often cost less than independent shops while providing the long-term value of OEM parts, certified workmanship, and warranty protection — repairs covered under warranty must be performed at a certified dealership to remain valid.
• We offer service financing so you can get necessary service now and pay later, minimizing downtime and protecting vehicle value.
• To get verified diagnostics and a recommended repair plan, schedule service with us today.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on the code and whether a road test or live-data capture is needed.
• If parts are required, many common components are stocked at Larry H. Miller Ford Mesa so repairs can often be completed the same day.
• Faster turnaround and accurate repairs mean immediate savings and fewer repeat visits — which adds to long-term savings compared with trial-and-error repairs.
• You can schedule appointment online; ask our service advisors about available service specials to reduce out-of-pocket cost.

How much does a check engine light diagnostic cost for a 2025 Ford Ranger?

• Pricing varies by issue, but we provide transparent diagnostic fees and written estimates before any repair.
• Larry H. Miller Ford Mesa frequently costs less than independent shops while delivering factory tools, OEM parts, and certified technicians — delivering both immediate savings and long-term value by preventing costly follow-up repairs.
• If the problem is covered by warranty, the diagnostic and repair can be completed at our certified dealership to preserve warranty coverage.
• Ask about service financing to get repairs done immediately and pay over time, and check our service specials for discounts.

What is the most common reason for check engine light on a 2025 Ford Ranger?

• Common causes include misfires, a failing oxygen sensor, loose gas cap or evaporative emissions leaks, catalytic converter issues, and fuel/air mixture problems.
• We diagnose root causes with OEM-level equipment so you only repair what’s necessary — saving money now and protecting long-term engine health.
• Having repairs performed at Larry H. Miller Ford Mesa helps ensure correct parts, certified installation, and warranty compliance for future savings.
• To protect vehicle performance and efficiency, schedule service and ask about current service specials and financing options.

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

• Start with obvious items: make sure the gas cap is tightened. A loose or damaged cap is a frequent, inexpensive cause.
• If the light persists, bring the vehicle to Larry H. Miller Ford Mesa for a professional scan — our certified techs quickly read codes and explain repair options and costs.
• Choosing dealership service often reduces total ownership cost by avoiding unnecessary parts and preserving warranty coverage; repairs under warranty must be completed at a certified dealership.
• Use our online tool to schedule service and review available service specials to maximize savings.