Frequently Asked Questions

What does it mean when the check engine light comes on in a 2019 Ford Taurus?

• It indicates the vehicle’s onboard diagnostics detected an issue with emissions, engine performance, or a sensor. Our certified technicians at Larry H. Miller Ford Mesa in Mesa, AZ will pinpoint the cause quickly and accurately.
• Common causes include oxygen sensor faults, loose gas caps, catalytic converter issues, and ignition misfires. Ignoring the light can increase repair costs and reduce fuel economy—our service often costs less than independent shops while delivering factory-trained expertise and OEM parts.
• Warranty-covered repairs must be performed at a certified dealership to preserve coverage. We also offer service financing so you can get service now and pay later.
• To get the right diagnosis and estimate, schedule service or check current service specials before you arrive.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on the fault and required inspections. If parts or deeper diagnosis are needed, we communicate timelines and costs clearly up front.
• At Larry H. Miller Ford Mesa, factory-trained technicians use OEM tools to speed repair while protecting long-term vehicle health—often saving you money over time through improved efficiency and avoiding repeat failures.
• We recommend booking a time to reduce wait. You can schedule appointment online and view service financing options when needed.

How much does a check engine light diagnostic cost for a 2019 Ford Taurus?

• Diagnostic fees vary by issue, but our dealership pricing is competitive—often less than independent shops when you factor in the accuracy, warranty protection, and long-term savings you'll receive from OEM parts and certified technicians.
• We always provide an upfront estimate and explain repair options, expected lifespan, and maintenance savings. Warranty-covered fixes must be completed at a certified dealership to remain valid.
• See current discounts under service specials or schedule service to lock in an appointment and learn about financing options.

What is the most common reason for check engine light on a 2019 Ford Taurus?

• Oxygen sensor or catalytic converter issues and ignition misfires are frequent culprits. Small problems can escalate into costly repairs if left unaddressed.
• Our technicians provide a thorough inspection and explain immediate and long-term savings from timely repairs—often making dealership service the smarter, more economical choice.
• We keep you informed about warranty eligibility and offer service financing so repairs are manageable when needed.

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

• Start with simple checks: ensure the gas cap is tightened and fueled correctly. If the light persists, bring the vehicle to Larry H. Miller Ford Mesa for a proper diagnostic scan.
• Our technicians use OEM-grade scanners to read and interpret codes accurately, and we provide clear recommendations and pricing up front. For convenience, view our service specials and schedule service online.
• Remember: any repairs covered under warranty must be performed at a certified dealership to maintain coverage.