Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Ford Shelby GT500?

• It indicates the vehicle's onboard diagnostics detected an issue with emissions, ignition, fuel delivery, sensors, or other critical systems. A light can range from a minor sensor alert to a sign of a serious failure.
• At Bill Estes Ford Brownsburg, our certified technicians read trouble codes and explain repair options clearly, using OEM parts and factory procedures that protect long-term vehicle value and performance.
• We often cost less than independent shops while offering a higher level of service — immediate savings at the bay and long-term savings by preventing repeat repairs and warranty issues.
• Any repairs covered under warranty must be performed at a certified dealership to preserve coverage; we help you understand warranty applicability and next steps.
• Ready to act? Schedule service or check current service specials to save on diagnostics and repairs.

How long does a check engine light service take?

• Most diagnostic checks for a 2020 Ford Shelby GT500 are completed within 60 to 90 minutes; more complex repairs may require additional time for parts and testing.
• Our process prioritizes accurate diagnosis to avoid unnecessary repairs — that means faster final repairs and fewer return visits, saving you time and money over the life of the vehicle.
• We provide clear estimates up-front and keep you informed throughout. When possible, take advantage of our service specials to reduce out-of-pocket cost.
• Service financing is available so you can get needed work done immediately and pay over time, improving convenience and preserving vehicle health.

How much does a check engine light diagnostic cost for a 2020 Ford Shelby GT500?

• Diagnostic costs vary by issue complexity; Bill Estes Ford Brownsburg offers competitive pricing and transparent estimates. Our dealership pricing often delivers lower total cost than independent shops due to accurate diagnostics and fewer repeat visits.
• We emphasize immediate and long-term savings — identifying root causes quickly prevents collateral damage that raises repair bills later.
• For eligible work, use our service specials and ask about service financing to manage payments.
• Schedule your appointment online to get a clear diagnosis and estimate: schedule service.

What is the most common reason for check engine light on a 2020 Ford Shelby GT500?

• Common causes include faulty oxygen sensors, loose or damaged gas caps, ignition coil or spark plug failures, and catalytic converter or fuel system issues — each can be confirmed with a diagnostic scan.
• Left unaddressed, these issues can reduce performance, lower fuel economy, and cause expensive secondary damage; our technicians identify and fix the source to preserve horsepower and drivability.
• We use OEM parts and factory procedures to restore performance and maintain warranty coverage when applicable.
• Book a convenient time to schedule service and review money-saving service specials.

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

• Start with a diagnostic scan to read the specific trouble codes. At Bill Estes Ford Brownsburg our technicians use manufacturer-grade scanners to get precise fault data for the 2020 Ford Shelby GT500.
• We check simple items first — gas cap, battery condition, visible wiring — then move to sensor and system tests. If warranty applies, repairs must be completed at a certified dealership to maintain coverage.
• Our transparent estimates and clear explanations help you weigh immediate fixes and long-term benefits; we often deliver lower overall cost than independents by avoiding incomplete repairs.
• To start, schedule service or view our current service specials.