這個碼是什麼意思？
P0442 表示小洩漏，P0455 表示大洩漏，P0456 表示極小洩漏。檢查適用車型的油箱蓋密封、軟管與閥門，依原廠程序檢漏。油箱蓋鬆動只是可能原因之一。不要在燃油蒸氣附近使用壓縮空氣或明火測試。
來源與解讀範圍 [1]
故障碼描述偵測到的異常，不直接指定必須更換的零件。
原廠原文中的含義
原文含義可能隨車型與後綴變化。此處依來源顯示，不代表通用診斷結論。
P0456Evaporative System (EVAP) - Very Small Leak storedP0456Evaporative System (EVAP) - Very Small Leak原廠技術資料
6以下為英文原文
HYUNDAI
原文故障碼 P0456
Certain 2011 2015 Sonata Hybrid vehicles (YF HEV) may experience check engine light illumination with Evaporative System (EVAP) leakage related DTC P0442 Small Leak, P0455 Large Leak or P0456 Very Small Leak stored.…
HYUNDAI
原文故障碼 P0456
Certain 2011 2015 Sonata Hybrid vehicles (YF HEV) may experience a check engine light illumination with an Evaporative System (EVAP) leakage related DTC P0442 Small Leak, P0455 Large Leak, or P0456 Very Small Leak…
HYUNDAI
原文故障碼 P0456
Certain 2016-2019 Sonata Hybrid (LF HEV) vehicles may experience check engine light illumination with DTC P0456 - Evaporative System (EVAP) - Very Small Leak stored. Salt particulate deposit can form inside the Natural…
HYUNDAI
原文故障碼 P0456
Certain 2016-2019 Sonata Hybrid (LF HEV) may experience check engine light illumination with DTC P0456 - Evaporative System (EVAP) - Very Small Leak stored. These conditions primarily occur in the California coastal…
HYUNDAI
原文故障碼 P0456
Some Veloster (FS) and Sonata Hybrid (YF HEV) vehicles may experience a check engine warning light ON with any of the following DTCs found stored: ? P0442 - Evaporative System (EVAP) - Small Leak ? P0455 - Evaporative…
HYUNDAI
原文故障碼 P0456
Some Veloster (FS) and Sonata Hybrid (YF HEV) vehicles may experience a check engine warning light ON with any of the following DTCs found stored: ? P0442 - Evaporative System (EVAP) - Small Leak ? P0455 - Evaporative…
核對適用車輛
9車型關聯可作查閱線索；引擎、生產範圍與軟體條件請核對原廠資料。
歷史車輛關聯；此記錄不證明車輛支援 OBD-II。
| 品牌 | 車型 | 年式 |
|---|---|---|
| Hyundai | SONATA HYBRID | 2019 |
| Hyundai | SONATA HYBRID | 2018 |
| Hyundai | SONATA HYBRID | 2017 |
| Hyundai | SONATA HYBRID | 2016 |
| Hyundai | SONATA HYBRID | 2015 |
| Hyundai | SONATA HYBRID | 2014 |
| Hyundai | SONATA HYBRID | 2013 |
| Hyundai | SONATA HYBRID | 2012 |
| Hyundai | SONATA HYBRID | 2011 |
歷史車輛記錄 · 1 · 歷史車輛關聯；此記錄不證明車輛支援 OBD-II。
更換零件之前
記錄故障碼與凍結資料，檢查電瓶狀態、相關故障碼和可見線束或軟管損傷。依該車診斷程序與測試結果決定維修，避免僅憑故障碼換件。
來源與解讀範圍
以下解釋由本站依所列原廠資料整理。頁碼從 PDF 檔案第一頁起算。原文為英文，譯文供參考；引用某版本不代表它是原廠目前最新指令。
- 2024–2025 MY OBD System Operation Summary for Gasoline Engines ↗
Ford Motor Company · PDF 頁碼 13, 14 ·
來源核對日期 · 2026-10-27
還能繼續駕駛嗎？
不能只憑故障碼判斷能否繼續行駛。故障燈閃爍、嚴重抖動、過熱、機油壓力警示或煞車轉向異常需立即注意。影響操控或引擎安全時，應在安全地點停車並求助。以車主手冊為準。