Frequently Asked Questions

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

• It signals that the vehicle’s onboard diagnostics detected a fault in emissions, ignition, fueling, or a sensor. The light can indicate anything from a loose gas cap to a serious engine or turbocharger issue in the 2018 Ford Taurus.
• At Larry H. Miller Ford Mesa in Mesa, AZ our certified Ford technicians use OEM-grade tools to identify the exact code and recommended repair, which protects performance and resale value.
• Choosing our dealership often costs less than independent shops once you factor in immediate and long-term savings from correct diagnostics, genuine parts, and longer service intervals.
• We offer service financing so you can get service now and pay later; to book, please schedule service online and ask our service advisors about options.
• Remember: repairs covered under warranty must be performed at a certified dealership to keep coverage valid.

How long does a check engine light service take?

• Diagnostic scans typically take 30–60 minutes for a 2018 Ford Taurus, while most common repairs can be completed the same day depending on parts availability.
• Larry H. Miller Ford Mesa prioritizes quick turnaround with express lanes, digital updates, and OEM parts on hand whenever possible to reduce downtime.
• Faster service at our shop doesn’t mean shortcuts—every repair follows Ford procedures and is verified by factory-trained technicians to preserve long-term reliability.
• We encourage customers to view current service specials and to schedule appointment online for the fastest check-in.

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

• Diagnostics for a 2018 Ford Taurus typically start around $89 for the initial code scan; final repair costs vary with parts and labor required.
• Larry H. Miller Ford Mesa often costs less than independent shops when you consider the accuracy of our diagnostics, OEM parts, and the long-term savings from correct repairs done once.
• We provide transparent estimates before work begins and honor warranty requirements—repairs covered under warranty must be done at a certified dealership to ensure coverage.
• Ask about service financing to split payments and check our service specials for seasonal offers; you can also schedule service online right now.

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

• Common causes include a faulty oxygen sensor, loose gas cap, ignition misfire, catalytic converter issues, or turbocharger-related sensor faults—each affects fuel economy and emissions.
• If ignored, small issues can become costly: an oxygen sensor left bad can reduce MPG and damage the catalytic converter; misfires can harm engine internals.
• At Larry H. Miller Ford Mesa, our certified techs diagnose the root cause and recommend repairs that save you money over time by preventing cascade failures.
• We provide clear repair timelines and financing options; to take advantage of our diagnostic expertise and savings, schedule service today or view our service specials.

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

• Start with simple checks: ensure the gas cap is tight and look for obvious issues. If the light persists, a professional scan is the next step.
• Bring your 2018 Ford Taurus to Larry H. Miller Ford Mesa for an accurate scan; our technicians use Ford-specific tools to read codes and interpret manufacturer guidance.
• Getting a prompt, accurate diagnosis at our dealership often reduces overall repair costs and avoids long-term damage—this is a straightforward way to protect vehicle longevity.
• We offer service financing so you can address issues right away; schedule appointment online or check current service specials before you arrive.