這個碼是什麼意思？
控制器在監測條件下判斷觸媒效率不足。P0420 對應第 1 汽缸列，P0430 對應第 2 汽缸列。應檢查排氣漏氣、失火與混合氣相關碼，依車型評估感知器訊號及觸媒測試。故障碼本身不證明必須換觸媒或含氧感知器。
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。
P0430front bank catalyst system efficiency below threshold [bank 2]P0430Catalyst System Efficiency Below Threshold Bank 2P0430-00Catalyst System Efficiency Below Threshold Bank 2P0430Catalyst System Efficiency Below Threshold Bank 2原廠技術資料
185以下為英文原文
RAM
原文故障碼 P0430
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set SYMPTOM: one or more of the following Diagnostic Trouble Codes (DTCs):…
CHRYSLER, DODGE
原文故障碼 P0430
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): ●…
DODGE
原文故障碼 P0430
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): ●…
JEEP
原文故障碼 P0430
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): ●…
DODGE
原文故障碼 P0430
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic…
HONDA
原文故障碼 P0430
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2025 Pilots with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold (Bank 1)]…
核對適用車輛
668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 | MDX | 2017 |
| Acura | MDX | 2016 |
| Acura | MDX | 2015 |
| Acura | MDX | 2014 |
| Acura | RLX | 2017 |
| Acura | RLX | 2016 |
| Acura | RLX | 2015 |
| Acura | RLX | 2014 |
| Acura | RLX HYBRID | 2017 |
| Acura | RLX HYBRID | 2016 |
| Acura | RLX HYBRID | 2014 |
| Acura | TLX | 2019 |
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 2, 3 ·
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。