Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Ford Shelby GT350?

• It signals the vehicle’s onboard diagnostic system has detected an issue—anything from a loose gas cap to oxygen sensor failure or misfire. Our certified technicians at Larry H. Miller Ford Mesa diagnose the root cause, explain repair options, and prioritize what’s safe to drive.
• We use OEM-grade diagnostics and parts so repairs restore factory performance and protect warranties; repairs covered under warranty must be performed at a certified dealership to remain valid.
• Choosing Larry H. Miller Ford Mesa often means faster turnaround, upfront pricing, and immediate plus long-term savings through accurate repairs and reduced repeat visits.
• To get it checked quickly, you can schedule service online and ask about current service specials.
• We also offer service financing so you can get the repairs you need now and pay over time, improving safety and preserving vehicle value.

How long does a check engine light service take?

• Simple diagnostics can take about 30–60 minutes; more complex repairs vary by the issue. At Larry H. Miller Ford Mesa our process is efficient—fast check-in, prioritized diagnostics, and transparent estimates.
• If parts or in-depth repairs are required, we explain timelines and options so you can decide. Many repairs are completed the same day when parts are available.
• Choosing dealership service typically saves time overall: accurate diagnosis reduces repeat visits and prevents bigger failures down the road.
• Book a convenient time to drop off or wait by using our online scheduler to schedule appointment.

How much does a check engine light diagnostic cost for a 2020 Ford Shelby GT350?

• Diagnostic pricing varies by region and complexity, but at Larry H. Miller Ford Mesa we price competitively and transparently. Our approach focuses on immediate and long-term savings—accurate diagnosis avoids unnecessary repairs and costly follow-ups.
• We often cost less than independent shops while delivering factory-trained technicians, OEM parts, and warranty protection—meaning better value over time.
• Estimates are provided before any work. Repairs covered under warranty must be performed at a certified dealership to remain valid; we will clearly explain coverage and options.
• To learn current diagnostic pricing and promotions, view our service specials or schedule service for a prompt assessment.
• Service financing is available so you can proceed with necessary repairs now and spread payments for budget flexibility.

What is the most common reason for check engine light on a 2020 Ford Shelby GT350?

• Common triggers include oxygen sensor faults, catalytic converter issues, faulty ignition components, or emissions system faults. For high-performance models like the 2020 Ford Shelby GT350, sensors and ignition components can be stressed at high RPM.
• Ignoring these signs can increase fuel use, reduce performance, and lead to expensive repairs. Our certified technicians catch problems early to save you money and preserve driving performance.
• We diagnose with OEM tools and test-driven verification so repairs restore peak performance and protect long-term value.
• Use our online tools to schedule service or check current service specials before your visit.

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

• Start with the simple: ensure the gas cap is secure. A loose or damaged cap is a common cause and an easy fix.
• If the light stays on or is flashing, don’t delay—driving with a flashing engine light can cause engine damage. Bring your 2020 Ford Shelby GT350 to Larry H. Miller Ford Mesa for a prompt scan and diagnostic.
• Our team provides clear next steps, cost estimates, and warranty guidance. Repairs covered under warranty must be completed at a certified dealership to remain valid.
• To get immediate attention and explore financing options, schedule service or review our service specials online.