這個碼是什麼意思？
P0171/P0172 對應第 1 汽缸列，P0174/P0175 對應第 2 汽缸列。過稀或過濃是控制器對混合氣的判斷，不直接表示某零件損壞。比較怠速及負載下燃油修正，檢查進排氣漏氣，依車型標準測試供油與感知器讀數。
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。
P0171Fuel System 1/1 LeanP0171Fuel system LeanP0171Fuel System 1/1 LeanP0171-00System Too Lean (Bank 1)原廠技術資料
327以下為英文原文
JEEP
原文故障碼 P0171 P0171-00
Not applicable to vehicles built for US market. Methanol In Fuel - Diagnostic Trouble Code (DTC) P0171 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set…
JEEP
原文故障碼 P0171-00
Not applicable to vehicles built for US market. 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…
JEEP
原文故障碼 P0171-00
Not applicable to vehicles built for US market. 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…
JEEP
原文故障碼 P0171-00
Not applicable to vehicles built for US market. Flash: Powertrain Control Module (PCM) Updates ustomers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the…
JEEP, RAM
原文故障碼 P0171-00
Disconnected Purge Line 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): ● P0300-00 - Multiple…
FORD
原文故障碼 P0171
This article supersedes TSB 23-2195 to update the labor times from M-time to fixed time. Some of the vehicles listed in the Model statement above may exhibit an illuminated MIL in the instrument panel cluster (IPC) with…
核對適用車輛
1,270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 |
|---|---|---|
| Acura | ACURA | 未註明年式 |
| Acura | MDX | 2020 |
| Acura | MDX | 2019 |
| Acura | MDX | 2018 |
| Acura | MDX | 2017 |
| Acura | MDX | 2016 |
| Acura | RDX | 2020 |
| Acura | RDX | 2019 |
| Acura | RDX | 2018 |
| Acura | RDX | 2017 |
| Acura | RDX | 2016 |
| Acura | RLX | 2020 |
歷史車輛記錄 · 7 · 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 21, 22 ·
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。