Frequently Asked Questions

What does it mean when the check engine light comes on in a 2023 Nissan Sentra?

• It signals the vehicle’s onboard diagnostics has logged a fault — anything from a loose gas cap to emissions or engine performance issues.
• At Larry H. Miller Nissan Mesa in Mesa, AZ, our certified technicians use OEM-grade scanners to identify the exact fault code and recommend the correct repair.
• Choosing our dealership often costs less than independent shops when you factor immediate diagnostics, accurate repair, OEM parts, and long-term reliability.
• Covered repairs under warranty must be completed at a certified dealership to preserve coverage and ensure genuine parts and procedures.
• When ready, you can schedule service or check current service specials.

How long does a check engine light service take?

• Most diagnostics take 30–60 minutes; repairs vary by code and parts availability.
• Larry H. Miller Nissan Mesa offers quick turnarounds with factory-trained techs and streamlined parts access to minimize downtime.
• We explain expected times and costs up front, helping you choose the fastest, most cost-effective option for long-term savings.
• Service financing is available so you can get necessary work done now and pay over time.
• To confirm availability, please schedule appointment or view our service specials.

How much does a check engine light diagnostic cost for a 2023 Nissan Sentra?

• Diagnostic costs vary by region and complexity; our pricing is competitive and often less than independent shops once you consider accuracy and OEM repairs.
• We provide transparent estimates and explain immediate and long-term savings from addressing issues early to avoid costly cascading failures.
• Warranty repairs must be completed at a certified dealership to maintain coverage and use genuine parts.
• Ask about our current service specials and service financing options so you can get needed repairs now and pay later.
• Ready to get started? Schedule service online with us at Larry H. Miller Nissan Mesa in Mesa, AZ.

What is the most common reason for check engine light on a 2023 Nissan Sentra?

• Common causes include loose or faulty gas caps, oxygen sensors, catalytic converter concerns, or ignition misfires.
• Addressing these quickly saves money: minor fixes prevent expensive drivetrain or emissions repairs later.
• Our technicians use OEM diagnostics and parts to ensure the correct repair the first time, extending your vehicle’s longevity.
• Warranty work should be completed at certified dealerships to keep coverage intact and ensure quality.
• Use our schedule appointment link to book a diagnostic and review any applicable service specials.

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

• Start with the simple: check the gas cap for damage and ensure it’s tightened properly — this often clears an emissions code.
• If the light remains, bring your 2023 Nissan Sentra to Larry H. Miller Nissan Mesa where certified techs will run a complete scan and explain options.
• We emphasize transparency, OEM parts, and honest estimates so you save now and avoid future costs.
• Service financing is available so urgent repairs don’t have to wait.
• To get expert diagnostics, schedule service or check our service specials.