這個碼是什麼意思？
P0300 表示隨機或多缸失火，P0301–P0308 對應編號汽缸。點火、供油、壓縮、漏氣與機械正時都可能相關。配合失火計數、凍結資料與測試縮小範圍。故障燈閃爍可能表示足以損壞觸媒的失火。
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
7以下為英文原文
LEXUS
原文故障碼 P030400
TSB: Some 2015 ? 2017 model year NX 200t, 2016 ? 2017 model year GS 200t, IS 200t, and RC 200t, 2018 ? 2019 model year GS 300, and 2018 ? 2020 model year IS 300, NX 300, and RC 300 vehicles equipped with an 8AR-FTS…
LEXUS
原文故障碼 P0304
TT: Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: ? MIL ?ON? DTC P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306. ? Intermittently runs rough after coming to a stop with the…
LEXUS
原文故障碼 P0304
"TT: SOME IS250 AND GS300 VEHICLES MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONDITIONS: • MIL “ON” DTC P0300, P0301, P0302, P0303, P0304, P0305, AND/OR P0306. • INTERMITTENTLY RUNS ROUGH AFTER COMING TO A STOP WITH THE…
LEXUS
原文故障碼 P0304
Tech Tip: Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: MIL "ON" DTC P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306. Intermittently runs rough after coming to a stop with the…
LEXUS
原文故障碼 P0304
Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: MIL ?ON? DTC P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306 Intermittently runs rough after coming to a stop with the engine at…
LEXUS
原文故障碼 P0304
Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: MIL "ON" DTC P0300, P0301, P0302, P0303, P0304, P0305, and or P0306. Intermittently runs rough after coming to a stop with the engine at…
核對適用車輛
3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。
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Ford Motor Company · PDF 頁碼 9, 10 ·
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。