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。
P0456EVAP System Small LeakP0456EVAP System Small LeakP0456EVAP System Small Leak.If DTCP0456Evap System Small Leak原廠技術資料
636以下為英文原文
ACURA
原文故障碼 P0456
Service Bulletin - The factory fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut-off valve flap…
ACURA
原文故障碼 P0456
Service Bulletin - The factory fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut-off valve flap…
ACURA
原文故障碼 P0456
Dealer Message - The fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut-off valve flap seal from…
AUDI
原文故障碼 P045600
Summary of all Vin-4-Pin topics for August Check engine light after charging Rattle noise from sound generator Vehicle sound malfunction warning Oil leak from oil filter drain off valve CEL: P003A00 Turbo Boost control…
AUDI
原文故障碼 P045600
Summary of all Vin-4-Pin topics for August Check engine light after charging Rattle noise from sound generator Vehicle sound malfunction warning Oil leak from oil filter drain off valve CEL: P003A00 Turbo Boost control…
CHRYSLER, DODGE
原文故障碼 P0456
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ●…
核對適用車輛
2,056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。
| 品牌 | 車型 | 年式 |
|---|---|---|
| Acura | ILX | 2013 |
| Acura | MDX | 2017 |
| Acura | MDX | 2013 |
| Acura | MDX | 2012 |
| Acura | MDX | 2004 |
| Acura | MDX | 2003 |
| Acura | NSX | 2017 |
| Acura | RDX | 2015 |
| Acura | RDX | 2014 |
| Acura | RDX | 2013 |
| Acura | RDX | 2012 |
| Acura | TL | 2013 |
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。