Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Ford Shelby GT350?

• It signals that the vehicle’s onboard diagnostics detected an emissions or engine system irregularity — anything from a loose gas cap to sensor or ignition issues.
• At Coggin Ford Jacksonville we diagnose with factory-grade scanners and OEM procedures, which helps pinpoint the issue quickly and avoids unnecessary repairs.
• Our certified technicians explain findings clearly and outline immediate fixes versus preventive repairs to protect long-term performance and resale value.
• We offer transparent pricing, and because we work efficiently and use OEM parts your total cost often compares favorably to independent shops — delivering immediate and long-term savings.
• We also provide service financing so you can get service now and pay later; to book, please schedule service.

How long does a check engine light service take?

• Typical diagnostic checks for a 2018 Ford Shelby GT350 take about 30–60 minutes depending on the fault and road-test needs.
• If repairs are required, our team at Coggin Ford Jacksonville provides an upfront estimate and time frame so you can plan accordingly.
• We prioritize fast turnaround using OEM parts and skilled technicians — minimizing downtime while preserving warranty and performance.
• Take advantage of our service specials for potential savings and ask about service financing to spread payments if needed.

How much does a check engine light diagnostic cost for a 2018 Ford Shelby GT350?

• Diagnostics typically start near $90 for a standard scan, but final pricing depends on the complexity of the fault and any follow-up repairs.
• Coggin Ford Jacksonville frequently costs less than independent shops when you factor in accurate diagnostics, OEM parts, and repair longevity — saving you money over time.
• We explain costs clearly, highlight immediate and long-term savings, and handle warranty-covered repairs when applicable — note warranty work must be completed at a certified dealership.
• Check our current service specials or schedule appointment to get a fast diagnostic and written estimate.

What is the most common reason for check engine light on a 2018 Ford Shelby GT350?

• Common causes include oxygen sensor faults, catalytic converter inefficiencies, ignition misfires, or mass airflow sensor issues — all detectable with proper diagnostics.
• Addressing these early at Coggin Ford Jacksonville prevents engine damage, improves fuel economy, and protects performance — delivering cost savings over time.
• Our certified technicians use OEM tools to isolate root causes and recommend lasting repairs rather than temporary fixes, and warranty-covered repairs are performed by our dealership team.
• To act quickly and protect your Shelby GT350, schedule service or review our service specials.

What is the first thing to check when the check engine light comes on for a 2018 Ford Shelby GT350?

• Start with the basics: ensure the gas cap is tight and not damaged — a loose cap is a common trigger for codes.
• If the cap is secure, bring the vehicle to Coggin Ford Jacksonville where we perform a fast scan to capture diagnostic trouble codes and recommend the correct next steps.
• Our approach focuses on transparent recommendations, OEM parts, and certified technicians to preserve performance and warranty coverage.
• We offer service financing so you can get necessary repairs now and pay later; to arrange priority diagnosis, schedule appointment.

Check Engine Light Flashing

The check engine light flashing on a 2018 Ford Shelby GT350 usually indicates an active misfire that could damage the catalytic converter if left unchecked. A flashing light is a more urgent warning than a steady light; it means the engine is running poorly and can cause additional mechanical or emissions system failure. At Coggin Ford Jacksonville our certified technicians prioritize safety and long-term vehicle health. We begin with a factory-level scan to capture live data, then perform targeted tests on ignition, fuel delivery, and sensors. Repairing the root cause quickly preserves horsepower, protects expensive emissions components, and keeps repair bills lower over time. We recommend not driving long distances when the light is flashing; instead, contact us or schedule service online for same-day diagnostic availability. Be sure to check our current service specials and ask about service financing — getting the problem fixed promptly saves money and maintains performance and resale value.

2018 Ford Shelby GT350 Check Engine Light Codes

Common check engine light codes for a 2018 Ford Shelby GT350 include P0300 (random/multiple misfires), P0420 (catalyst system efficiency), P0171/P0174 (fuel trim lean condition), and various sensor-related codes such as P0130–P0167 for oxygen sensor circuits. Ignoring these codes can lead to measurable costs: untreated misfires can ruin catalytic converters (thousands in replacement costs), lean conditions reduce engine life and fuel economy, and faulty sensors can mask other problems and lead to poor drivability. At Coggin Ford Jacksonville in Jacksonville, FL, our factory-trained technicians use OEM diagnostic tools that speed detection and avoid unnecessary parts replacement. That accuracy delivers immediate savings compared with trial-and-error repairs and protects longer-term value by using OEM parts and documented procedures. We provide a transparent estimate and explain the cost/benefit of each repair path. To minimize downtime and protect your Shelby GT350, schedule appointment and review our service specials.

2018 Ford Shelby GT350 Check Engine Light Reset

Resetting the check engine light on a 2018 Ford Shelby GT350 can be done with a scan tool, but an immediate reset without repairing the underlying fault is only temporary and may mask persistent issues. Coggin Ford Jacksonville recommends a full diagnostic and repair before clearing codes so the vehicle remains protected by factory warranties and performance standards. Our technicians document the cause, perform necessary repairs with OEM parts, and then clear codes—ensuring that a reoccurrence indicates unresolved issues rather than a hidden problem. This transparent process helps owners save money over time by avoiding repeated trips and protecting critical components. We also highlight any available discounts and financing options so you can complete recommended work without delay. For safe, lasting results and to keep your Shelby GT350 performing as designed, schedule service today or check our service specials.