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Fuel leak Published 28 May 2026 Ref JP-1158240

Honda: LEGEND / CIVIC

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 2026
Units affected
36116
Reference
JP-1158240

Affected vehicles

Honda LEGEND Honda Civic Honda Civic

Hazard

Low-pressure fuel pumps installed in vehicles designated for unleaded premium gasoline may experience impeller (resin rotor blade) strength degradation due to inappropriate test fluid used during pump operation inspection. The test fluid penetrates the impeller, causing strength loss and crack initiation. Through repeated thermal cycling, impeller cracks propagate and become swollen by fuel, leading to contact with the pump cover and malfunction. In the worst case, the engine may stall during operation and fail to restart.
Show original (日本語)
無鉛プレミアムガソリン指定車に搭載した低圧燃料ポンプにおいて、ポンプ作動検査時の検査用液が不適切なため、インペラ(樹脂製羽根車)に検査用液が浸透して強度が低下し、亀裂が生じることがあります。そのため、冷熱の繰り返しによりインペラの亀裂が進展して燃料により膨潤し、ポンプカバーと接触して作動不良となり、最悪の場合、走行中にエンジンが停止して再始動できなくなるおそれがあります。 改善箇所説明図

Remedy

The low-pressure fuel pump will be replaced with a corrected component.
Show original (日本語)
低圧燃料ポンプを対策品と交換します。

Official source

View the official recall notice