2020 Acura NSX Check Engine Light

Certified technicians, only the experts.

Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2020 Acura NSX?

Check the gas cap for a loose or damaged seal — it’s a common, quick fix that can clear the code.
Look for obvious dashboard warnings or reduced power messages; those indicate higher urgency.
Check fluid levels and visible leaks, but do not attempt major repairs without diagnostics.
If the light is flashing or the vehicle runs roughly, stop driving and schedule immediate service to avoid serious damage.
For warranty protection and accurate diagnosis of hybrid/turbo systems, have a certified dealer perform any necessary repairs.

What does it mean when the check engine light comes on in a 2020 Acura NSX?

It indicates the engine or emissions system detected a fault; causes range from a loose fuel cap to misfires or emissions failures.
On a hybrid/twin‑turbo V6 the light can relate to fuel, ignition, turbo, catalytic converter, or hybrid power electronics.
Some faults are minor; others can harm the catalytic converter or engine if ignored — diagnosis is essential.
Nalley Acura uses factory diagnostic tools so repairs are accurate and any warranty-covered work is completed at a certified dealership.

How long does a check engine light service take for a 2020 Acura NSX?

Initial OBD‑II scan and basic inspection typically take 30–60 minutes; some appointments offer same‑day scans.
Comprehensive diagnostics, road tests, and module checks usually require 1–3 hours depending on complexity and hybrid system checks.
Actual repair time varies: simple fixes can be completed same day; more complex turbo, catalytic, or hybrid system repairs may take longer.
Nalley Acura prioritizes efficient service with factory tools and technicians to reduce total downtime and long‑term costs.

How much does a check engine light diagnostic cost for a 2020 Acura NSX?

Diagnostic fees typically range from about $100–$200 for a detailed scan and report; final repair costs depend on the root cause.
Common repairs vary: sensors or seals often run a few hundred dollars; catalytic converter or turbo work can be $1,000–$3,500+.
Nalley Acura often costs less than independent shops over time because accurate diagnostics and OEM repairs prevent repeat work and protect components.
Warranty repairs must be completed at a certified dealership to remain valid; our factory-trained technicians ensure warranty compliance and long-term savings.

What is the most common reason for the check engine light on a 2020 Acura NSX?

Common causes include ignition misfires (P0300/P0301–P0306), oxygen sensor failures, catalytic efficiency codes (P0420), or lean condition codes such as P0171.
Loose fuel cap or minor emissions sensor issues are frequent but should still be verified with a scan.
On high‑performance hybrids, turbocharger or electrical/hybrid system diagnostics are sometimes required.
Prompt dealer diagnosis helps avoid escalation to more expensive repairs and preserves warranty coverage when applicable.

2020 Acura NSX Check Engine Light Flashing

A flashing check engine light on a 2020 Acura NSX signals an active misfire or severe fault that can quickly damage the catalytic converter and other powertrain components. When flashing occurs, the engine may run roughly, lose power, or trip limp mode to protect the hybrid/twin‑turbo V6 and electric drive systems. Stop driving if the vehicle shows severe symptoms; continued operation risks expensive repairs. At Nalley Acura we prioritize immediate diagnostics using OEM scan tools and hybrid‑capable equipment to identify misfires, ignition coil, fuel delivery, or turbo issues. Factory‑trained technicians isolate root causes, recommend repairs, and clear codes only after correcting the fault, protecting your warranty and reducing long‑term costs.

2020 Acura NSX Check Engine Light Reset

Resetting the check engine light on a 2020 Acura NSX requires proper diagnosis and OEM tools to ensure the underlying issue is fixed and readiness monitors are set correctly. Simple code clears from a generic scanner or battery disconnect may erase the light temporarily but leave the fault unresolved, risking further damage and voiding warranty conditions. At Nalley Acura our technicians use Acura factory software to read hybrid and engine modules, perform software updates, and clear codes only after repairs are complete. Choosing dealer service delivers immediate savings through accurate repairs, avoids repeat visits, and preserves warranty coverage—remember that any warranty repairs must be completed at a certified dealership to remain valid.

2020 Acura NSX Check Engine Light Codes

Common check engine codes on a 2020 Acura NSX include P0300/P0301‑P0306 (misfires), P0420 (catalyst efficiency), P0171 (system too lean), and oxygen sensor codes such as P0135. Ignoring misfires can destroy the catalytic converter and lead to repairs exceeding $1,000–$3,500; unresolved lean conditions or failed O2 sensors often turn into higher fuel use and costly emissions work, typically $200–$1,200 depending on parts. Turbochargers or hybrid battery-related faults may be far more expensive. At Nalley Acura, factory diagnostics identify specific codes and provide transparent repair estimates. Our dealership often costs less than independent shops because accurate diagnostics prevent repeat repairs; warranty repairs must be done at a certified dealer to maintain coverage.

Service and Scheduling

Nalley Acura in Georgia provides factory-trained technicians, genuine parts, and transparent estimates for your 2020 Acura NSX. Schedule service or diagnostics online at Nalley Acura, browse our used inventory, or learn about service specials. Considering a trade? Start a quote at Sell Your Car Online. For quick access to all vehicles visit All Inventory.