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Fuel leak Published 28 May 2026 Ref JP-1158240

Honda: Legend / Civic — 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 2026
Units affected
36116
Reference
JP-1158240

Affected vehicles

Honda LEGEND 2017–2021 Honda Civic 2017–2021 Honda Civic 2017–2021

Hazard

Low-pressure fuel pumps installed in vehicles specified for unleaded premium gasoline may experience impeller (resin fan blade) degradation due to inappropriate inspection fluid used during pump operation testing. The inspection fluid penetrates the impeller, reducing its strength and causing cracks. These cracks can propagate through thermal cycling, leading to fuel swelling of the impeller, contact with the pump cover, and pump malfunction. In the worst case, the engine may stop during driving 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る。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る。

Remedy

Replace the low-pressure fuel pump with a 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