Image available on the official notice.
Passenger cars (Honda N-BOX and 24 other models) - Repair
Official notice
8 Dec 2023
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Honda N-BOX and 24 other models) - Repair. Fuel system (low-pressure fuel pump) defect. ■ Defective component (part name): Fuel system (low-pressure 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) 5423 ■ Corrective measures: Check the identification mark on the low-pressure fuel pump on all vehicles and replace affected pumps with improved units. A further notification about parts replacement will be provided once parts are ready.
Units affected
1,138,046
Recall number
5423
Official notice
2023-12-08
The hazard
The hazard
Fuel system (low-pressure fuel pump) defect. ■ Defective component (part name): Fuel system (low-pressure 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
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
Recall Numbers
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Affected products
Product 1
Product 2
Units affected
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Honda. Contact: 本田技研工業株式会社. Phone 0120-112010.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Units affected
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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