Frequently Asked Questions

What does it mean when the check engine light comes on in a 2013 Ford Focus ST?

• It signals the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emissions or ignition fault.
• At Larry H. Miller Ford Mesa in Mesa, AZ, our certified Ford technicians use OEM-grade scanners to identify precise fault codes and explain implications clearly.
• Fixing problems early at our dealership often costs less than prolonged repairs and delivers immediate and long-term savings through accurate diagnosis and quality parts.
• Repairs covered under warranty must be performed at a certified dealership to remain valid; we’ll verify coverage and walk you through options.
• To get a fast, reliable assessment, schedule service online or check current service specials.

How long does a check engine light service take?

• Most diagnostics are completed within an hour; repairs vary based on the issue. Our team at Larry H. Miller Ford Mesa prioritizes quick turnaround while ensuring thorough checks.
• We provide transparent estimates up front and explain immediate and long-term savings from OEM repairs versus temporary fixes.
• Service financing is available so you can get service now and pay later, and our advisors will present financing options during check-in.
• To minimize downtime, schedule appointment online and review our latest service specials.

How much does a check engine light diagnostic cost for a 2013 Ford Focus ST?

• Diagnostic fees vary by issue, but at Larry H. Miller Ford Mesa we price diagnostics competitively while delivering factory-trained expertise and OEM-grade equipment.
• Choosing our dealership often saves you money over time by avoiding misdiagnosis and repeat repairs; we include clear estimates and explain warranty impacts.
• Eligible repairs under warranty must be completed at a certified dealership to maintain coverage; our advisors confirm warranty details before work begins.
• We offer service financing and periodic service specials to make repairs affordable—schedule service to get an inspection today.

What is the most common reason for check engine light on a 2013 Ford Focus ST?

• Common causes include oxygen sensor faults, catalytic converter issues, ignition misfires, or turbo-related sensors — all detectable with a proper scan.
• Our certified technicians at Larry H. Miller Ford Mesa use factory tools to pinpoint root causes and recommend durable OEM solutions that protect performance and fuel economy.
• Addressing issues promptly at our dealership preserves vehicle longevity and can reduce total ownership costs; we explain immediate and long-term benefits during service.
• Use our online scheduler to schedule service and review available service specials.

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

• Start with simple checks like a loose gas cap, but bring your vehicle to Larry H. Miller Ford Mesa for a full scan; a quick code read ensures you don’t miss hidden issues.
• We provide a clear report, recommended repairs, and transparent pricing so you understand both immediate costs and long-term savings.
• If your vehicle is under warranty, have repairs done at our certified dealership to keep coverage intact; we’ll verify eligibility when you arrive.
• To get started, schedule service or view our current service specials. Service financing is available for qualified customers.