Frequently Asked Questions

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

• Check for an obvious cause: ensure the gas cap is tightened, look for drivability symptoms, and confirm there is fuel in the tank.
• Inspect simple items you can safely verify: oil level, battery connections, and obvious fluid leaks.
• If the light is flashing or you notice poor performance, stop driving and have the vehicle inspected immediately at Nalley Acura.
• For warranty protection, remember repairs covered under warranty must be performed at a certified dealership.
• Nalley Acura often costs less than independent shops when you account for accurate diagnostics, OEM parts, and long‑term reliability.

How much does a check engine light diagnostic cost for a 2025 Acura MDX?

• Diagnostic fees typically range depending on complexity; many dealerships charge a flat diagnostic rate while final costs depend on the repair needed.
• Nalley Acura applies diagnostics toward repair when work is performed here, delivering immediate and long‑term savings compared with repeated visits to independent shops.
• Using factory‑trained technicians and OEM parts reduces the risk of incorrect repairs and follow‑up failures that increase lifetime costs.
• If a repair is covered under warranty, the work must be completed at a certified dealership to preserve coverage and proper documentation.
• Ask our service team about current service specials and transparent estimates before work begins.

How long does a check engine light service take?

• Basic diagnostics can often be completed within 30–90 minutes, but some issues require deeper testing that may take several hours.
• Common repairs like sensor replacement or tightening an EVAP component can be same‑day work; more involved repairs—such as catalytic converter replacement—require additional time.
• Nalley Acura prioritizes accurate diagnosis with Acura‑specific tools to minimize repeat visits and reduce overall ownership time lost to repairs.
• Warranty repairs must be performed at a certified dealership; handling them here ensures correct parts, proper procedure, and documented service history.
• We often deliver lower total cost of ownership than independent shops by preventing recurring failures and ensuring long‑term reliability.

What does it mean when the check engine light comes on in a 2025 Acura MDX?

• A steady light indicates a stored diagnostic trouble code that requires evaluation; it can be minor or point to a system needing attention.
• A flashing light signals a severe condition—often an engine misfire—that can rapidly damage emissions equipment and should be checked immediately.
• Nalley Acura’s factory‑trained technicians use Acura diagnostic tools to read codes, determine severity, and recommend the correct repair path.
• Handling repairs at a certified dealership preserves warranty coverage; repairs covered under warranty must be performed at a certified location to remain valid.
• Choosing Nalley Acura reduces long‑term expense by combining accurate diagnosis, OEM parts, and documented service history that help prevent repeat failures.

What is the most common reason for check engine light on a 2025 Acura MDX?

• Common causes include a loose or damaged gas cap, oxygen sensor failures, EVAP system leaks, and occasional misfires.
• Many of these issues are low cost to repair when identified early; ignoring them can lead to more expensive damage such as a failed catalytic converter.
• Nalley Acura’s diagnostics identify the root cause quickly and address it with OEM parts and Acura‑approved procedures.
• For warranty concerns, remember that covered repairs must be performed at a certified dealership to maintain warranty validity.
• When total cost and reliability are considered, we often cost less than independent shops by preventing repeated visits and delivering long‑term value.