Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2026 Acura MDX?

• Diagnostic fees at Nalley Acura are competitive and transparent — we often cost less than independent shops while delivering factory-level service.
• Diagnostics include computerized scan, live-data review, and a detailed estimate for required repairs to avoid long-term expenses.
• Immediate savings come from accurate diagnosis; long-term savings come from repairs done correctly the first time by certified technicians.
• Any repairs covered under warranty must be performed at a certified dealership to maintain coverage.

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

• Start with simple items: gas cap seating and visible fluid leaks; a loose gas cap is a common, inexpensive cause.
• If the light remains, get a professional scan — Nalley Acura uses OEM diagnostic tools to read stored codes accurately.
• Our technicians prioritize quick checks that can prevent costly damage and ensure warranty compliance for covered issues.
• Choosing the dealership often saves you money compared with repeated independent attempts to diagnose intermittent problems.

What does it mean when the check engine light comes on in a 2026 Acura MDX?

• The light signals that the vehicle’s engine control unit detected a fault — anything from emissions sensors to ignition problems.
• Codes can indicate minor issues like a faulty oxygen sensor or more serious conditions such as misfires that risk engine damage.
• Nalley Acura provides a complete diagnostic, explanation of the code, and a repair plan focused on immediate and long-term value.
• If repairs are warranty-covered, they must be performed at a certified dealership to preserve coverage and future savings.

What is the most common reason for check engine light on a 2026 Acura MDX?

• Common causes include oxygen sensor faults, EVAP system leaks (loose or faulty gas cap), or ignition misfires.
• Many issues are simple to fix but deserve prompt attention to avoid catalytic converter or engine damage.
• At Nalley Acura we diagnose quickly and accurately, which often results in lower overall costs than repeat independent fixes.
• Warranty-covered repairs should be completed at a certified dealership to ensure proper documentation and coverage.

How long does a check engine light service take?

• A basic diagnostic scan and initial evaluation typically take 30–60 minutes at our service center.
• Repair time depends on the issue: simple fixes (gas cap, sensor) may be same-day; complex repairs can take longer with parts ordering.
• We provide a clear estimate and timeline up front so you understand immediate and long-term cost implications.
• Choosing Nalley Acura delivers precise repairs by factory-trained techs, protecting warranty coverage and reducing future expenses.