Frequently Asked Questions

What does it mean when the check engine light comes on in a 2013 Ford Shelby GT500?

• It signals that the vehicle's onboard diagnostics have detected an emissions or engine performance issue. It can range from loose gas caps to sensor failures or catalytic converter concerns.
• At Larry H. Miller Ford Mesa in Mesa, AZ, our factory-trained technicians use OEM-grade tools to identify the exact code and recommend the proper repair, often saving you both immediate and long-term costs compared with repeated, incomplete fixes.
• We offer clear estimates, manufacturer parts, and warranty protection; remember, warranty repairs must be completed at a certified dealership to remain valid.
• To get an accurate diagnosis fast, schedule service and ask about available service specials and service financing options so you can get repairs now and pay later.

How long does a check engine light service take?

• Most diagnostics take under an hour for initial code read and analysis; repairs vary depending on the issue. Common sensor swaps or resets can be same-day services.
• At Larry H. Miller Ford Mesa we prioritize quick turnarounds without cutting corners — our certified techs follow OEM procedures to help maintain your 2013 Ford Shelby GT500's longevity and performance.
• We often deliver faster, more reliable service than independent shops while offering competitive pricing and greater long-term savings from genuine parts and correct repairs.
• You can schedule appointment online and view current service specials before you arrive.

How much does a check engine light diagnostic cost for a 2013 Ford Shelby GT500?

• Diagnostic fees vary, but Larry H. Miller Ford Mesa provides transparent pricing and value: our diagnostics include a complete OEM scan and written estimate so you understand options and costs up front.
• We frequently cost less than independent shops once you factor in correct OEM parts, technician expertise, and warranty coverage — delivering immediate peace of mind and long-term savings by preventing repeat failures.
• If a covered repair is required under warranty, it must be performed at a certified dealership to keep coverage intact — we can handle that end-to-end.
• To discuss pricing or explore service financing, contact us or schedule service online and check our service specials to save.

What is the most common reason for check engine light on a 2013 Ford Shelby GT500?

• Common causes include oxygen sensor or catalytic converter issues, mass airflow sensor faults, or misfires — performance cars with forced induction like the 2013 Ford Shelby GT500 may also show codes tied to boost, fuel trim, or ignition timing.
• If left unaddressed, these issues can reduce horsepower, increase fuel use, and cause expensive downstream damage; our certified technicians diagnose the root cause quickly to minimize repair cost over time.
• We provide transparent estimates, OEM parts, and warranty-backed repairs that maximize the car's reliability and resale value.
• Book a diagnostic appointment now — schedule service and review current service specials for savings.

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

• Start with basics: ensure the gas cap is tightened. If the light persists, professional scanning is the next step to read stored fault codes and freeze-frame data.
• At Larry H. Miller Ford Mesa our diagnostic includes a thorough OEM scan and inspection of related systems — we explain findings and options so you make an informed decision.
• Using our service financing and genuine Ford parts helps protect your investment and reduces the chance of recurring issues, delivering both immediate and long-term savings.
• To get started, schedule service or check our service specials for current offers.