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Fuel leak Published 28 May 2020 Ref JP-1230380

Honda: Fuel Pump

Translated from Japanese · machine translation

Safety-critical recall — fuel leak. If your vehicle is affected, contact your dealer before driving.
Country
Japan
Published
28 May 2020
Units affected
36
Reference
JP-1230380

Affected vehicles

Honda NSX 2018–2019

Hazard

The impeller (resin fan wheel) of the low-pressure fuel pump may swell and deform due to fuel absorption caused by inadequate molding conditions that result in low resin density. This can cause the impeller to contact the pump cover, leading to fuel pump malfunction. In the worst case, engine stall during driving may occur.
Show original (日本語)
低圧燃料ポンプのインペラ(樹脂製羽根車)において、成形条件が不適切なため、樹脂密度が低くなって、燃料により膨潤して変形することがある。そのため、インペラがポンプカバーと接触して燃料ポンプが作動不良となり、最悪の場合、走行中エンストに至るおそれがある。

Remedy

Replace the low-pressure fuel pump with the corrective part on all vehicles.
Show original (日本語)
全車両、低圧燃料ポンプを対策品と交換する。

Official source

View the official recall notice