Frequently Asked Questions

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

• It signals that the vehicle’s onboard diagnostics detected an emission, sensor, ignition, or fuel system issue. Problems range from a loose gas cap to oxygen sensor or catalytic converter faults.
• At Larry H. Miller Ford Lakewood in Lakewood, CO, our certified technicians use OEM-grade tools to identify the exact fault quickly, minimizing downtime and long-term repair costs.
• Choosing our dealership often costs less than independent shops once you factor in accurate diagnostics, OEM parts, and warranty protection—delivering immediate and long-term savings.
• Repairs covered under warranty must be performed at a certified dealership to maintain coverage; we also offer service financing so you can get service now and pay later.
• To book prompt attention, schedule service online and ask about our current service specials.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on the issue; many simple scans and resets are completed the same day.
• Complex repairs, parts ordering, or extended testing may take longer—our team at Larry H. Miller Ford Lakewood keeps you informed with clear timelines and status updates.
• Because we stock OEM parts and employ factory-trained technicians, we often complete work faster than independent shops while maintaining higher quality standards.
• Immediate repairs reduce the risk of further damage and greater expense down the road, delivering both short-term convenience and long-term value.
• Ready to get started? Schedule service online and review current service specials for added savings.

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

• Diagnostic costs vary by issue, but our dealership’s diagnostics start at competitive rates—many checks begin around $93.45 for a full engine-light scan and report.
• Because we deliver precise diagnostics and OEM recommendations, choosing Larry H. Miller Ford Lakewood typically results in lower overall ownership costs than repeated attempts to fix a problem elsewhere.
• We emphasize transparent pricing, documented findings, and service financing options so you can address issues immediately without putting off needed repairs.
• Remember: warranty repairs must be completed at a certified dealership to remain valid—our factory-trained techs protect your coverage and vehicle value.
• To lock in efficiency and savings, schedule service and explore our service specials.

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

• The most common triggers are faulty oxygen sensors, loose or faulty gas caps, mass airflow sensor issues, or ignition system misfires.
• Left untreated, sensor failures or misfires can reduce fuel economy and damage catalytic converters—leading to significantly higher repair costs over time.
• Our technicians at Larry H. Miller Ford Lakewood prioritize fast, accurate diagnosis to prevent cascading damage and preserve performance and resale value.
• We also offer warranty coverage, OEM parts, and service financing so you can repair properly now and save later.
• Book online to get prioritized attention: schedule service and check current service specials.

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

• Start with basics: check the gas cap for proper closure—it's a common, low-cost cause. If the light persists, professional diagnostics are the next step.
• At Larry H. Miller Ford Lakewood we run a complete OBD-II scan to pinpoint codes, explain repair options, and show expected costs so you make an informed decision.
• Because we use OEM parts and factory procedures, repairs are more reliable and maintain warranty integrity—saving you money and stress in the long run.
• Service financing is available to get you back on the road without delay; view our options and book a time to come in.
• To protect your Mustang, schedule service today and browse our service specials for added value.