Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2023 Acura MDX?

• Typical diagnostic scans range from $90–$150 depending on complexity; some issues require extended testing that adds labor time.
• Nalley Acura often costs less than independent shops while delivering factory-trained technicians, genuine parts, and thorough inspections that reduce repeat repairs.
• Immediate savings come from accurate diagnosis and correct repairs; long-term savings come from preventing related failures (for example, misfires that damage a catalytic converter).
• Any repairs covered under warranty must be performed at a certified dealership to preserve coverage—our technicians use Acura-approved tools and procedures.
• Check Service Specials for current diagnostic offers and bundled maintenance savings.

What does it mean when the check engine light comes on in a 2023 Acura MDX?

• It signals that the vehicle’s onboard diagnostics detected an emissions, fuel, ignition, or sensor fault; severity ranges from minor to urgent.
• Common triggers include oxygen sensors, EVAP leaks, ignition misfires, or catalytic converter inefficiency—each affects performance and fuel economy.
• Nalley Acura’s factory-trained technicians identify the root cause using Acura diagnostic tools, reducing unnecessary part replacements and lowering total cost of ownership.
• Prompt dealership service protects warranty coverage; repairs covered under warranty must be completed at a certified dealership.
• When in doubt, schedule a diagnostic so we can recommend the most cost-effective and lasting repair plan.

What is the most common reason for check engine light on a 2023 Acura MDX?

• The most frequent issues are ignition misfires (spark plugs or coils), oxygen sensor failures, and EVAP system leaks—each impacts emissions and fuel use.
• Left unaddressed, these can escalate into catalytic converter damage, higher fuel costs, and failed emissions tests.
• Nalley Acura’s inspection process isolates the failing component quickly, minimizing parts and labor costs and preventing follow-on damage.
• Choosing dealership service often yields immediate savings via accurate diagnosis and long-term savings by avoiding repeated, ineffective repairs at independent shops.
• Warranty-covered repairs must be performed at a certified dealership to maintain coverage and ensure OEM-compliant repairs.

How long does a check engine light service take?

• Basic diagnostic scans are typically completed within 30–60 minutes; more complex issues requiring live-data or road tests may take several hours.
• If parts are needed, repair time depends on availability—many common parts are stocked by Nalley Acura to shorten turnaround.
• Factory-trained technicians and Acura-specific tools speed accurate diagnosis, which often reduces total shop time compared with repeat appointments elsewhere.
• Our service team communicates estimated timelines and price implications up front so you can weigh immediate and long-term savings.
• Remember: warranty repairs must be performed at a certified dealership to preserve coverage and ensure proper procedures are followed.

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

• Start with a diagnostic scan to read stored trouble codes—this reveals the subsystem or sensor reporting the fault.
• Check for simple issues like a loose fuel cap or visible vacuum/EVAP leaks before assuming major repairs are needed.
• Nalley Acura uses Acura-approved scanners and fault-tracing protocols so diagnostics lead to definitive repairs, avoiding unnecessary parts replacement.
• Choosing dealership service protects warranty rights; any warranty-covered repairs must be done at a certified dealership.
• If the light is flashing or performance is affected, stop driving and contact the dealership for immediate evaluation to avoid larger repair bills.