Open official notice

Passenger cars (Honda of America NSX) - Repair

Official notice

8 Dec 2023

Last checked

27 Oct 2026

RecallScope risk estimate:HighCAA Japan

An official CAA Japan notice concerns Passenger cars (Honda of America NSX) - Repair. Fuel system (fuel pump) defect. ■ Defective component (part name): Fuel system (fuel pump). ■ Condition and cause of the structure, equipment or performance considered noncompliant with standards: Improper molding conditions for the low-pressure fuel pump impeller (resin rotor) may result in low resin density, allowing the impeller to swell and deform when exposed to fuel. The impeller may consequently contact the pump cover and cause the fuel pump to malfunction. In the worst case, the engine may stall while driving. Published 2023-12-08.

What to do now

(Recall notification number) 外-3728 ■ Corrective measures: Replace the low-pressure fuel pump module on all vehicles with an improved unit. A further notification about parts replacement will be provided once parts are ready.

Units affected

211

Recall number

外-3728

Official notice

2023-12-08

The hazard

Fuel system (fuel pump) defect. ■ Defective component (part name): Fuel system (fuel pump). ■ Condition and cause of the structure, equipment or performance considered noncompliant with standards: Improper molding conditions for the low-pressure fuel pump impeller (resin rotor) may result in low resin density, allowing the impeller to swell and deform when exposed to fuel. The impeller may consequently contact the pump cover and cause the fuel pump to malfunction. In the worst case, the engine may stall while driving.

How to check if you're affected

Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.

Models

CAA-NC1, 5AA-NC1

Recall Numbers

外-3728

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Affected products

Product 1

ホンダオブアメリカ「NSX」

Units affected

211

Hazard

Fuel system (fuel pump) defect. ■ Defective component (part name): Fuel system (fuel pump). ■ Condition and cause of the structure, equipment or performance considered noncompliant with standards: Improper molding conditions for the low-pressure fuel pump impeller (resin rotor) may result in low resin density, allowing the impeller to swell and deform when exposed to fuel. The impeller may consequently contact the pump cover and cause the fuel pump to malfunction. In the worst case, the engine may stall while driving.

Where it was sold

Retailer information is not currently available in RecallScope. Check the official notice for distribution details.

Location 1

JP · Japan

Affected area 1

JP · Japan

Company & contacts

Brand

Manufacturer

本田技研工業株式会社

Phone

0120-112010

Brand: Honda. Contact: 本田技研工業株式会社. Phone 0120-112010.

Source & status

Source

Tier

official

Category

VEHICLES

Official classification

消費者庁 — 修理

Recall details

Recall number

外-3728

Event id

CAA-00000031690

Units affected

211

Source tier

official

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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