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。
原廠技術資料
14以下為英文原文
FORD
原文故障碼 P0174
Some 2019-2021 F-150 vehicles built on or before 04-Mar-2021 and equipped with a 5.0L engine may experience an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTC) P0171, P0172, P0174, P0175,…
FORD
原文故障碼 P0174
Some 2019-2020 F-150 vehicles equipped with a 5.0L flex fuel engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0171, P0172, P0174 and/or P0175. This may be due to…
FORD
原文故障碼 P0174
Some 2021 F-150 vehicles equipped with a 5.0L engine and built on or before 04-Mar-2021 may experience an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTC) P0364, P060B, P062B, P164C,…
FORD
原文故障碼 P0174
Some 2021 F-150 vehicles equipped with a 5.0L engine and built on or before 08-Mar-2021 may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0364, P060B, P062B, P164C,…
FORD
原文故障碼 P0174
Some 2018 F-150 vehicles equipped with a 2.7L EcoBoost engine may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2196, P2198, P2BF0, P2BF2, P2BF1, P2BF3, P2BEC, P2BED,…
FORD
原文故障碼 P0174
Some 2018-2020 F-150 vehicles equipped with a 5.0L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0171, P0172, P0174 and/or P0175. This may be due to incorrect…
核對適用車輛
12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。
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。