P0420 · 觸媒系統效率低於門檻 · 汽缸列 1

參考含義

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。

原廠技術資料

以下為英文原文

TSB 25-21882025-05-08

FORD

原文故障碼 P0420

Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0420 stored in the powertrain control module (PCM).…

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TSB 25-20722025-03-08

FORD

原文故障碼 P0420

Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P008A and/or P0420 stored in the powertrain control…

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24M01 S12024-08-05

FORD

原文故障碼 P0420

2020 Model Year Explorer and Explorer Police Interceptor - Utility Equipped with a 3.3L Engine Replace Catalytic Converters for Diagnostic Trouble Code (DTC) P0420 or P0430 and Inspect Wire Harness for Runs…

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TSB-14-01022014-05-09

FORD, LINCOLN

原文故障碼 P0420

FORD/LINCOLN: DIAGNOSTIC TROUBLE CODE (DTC) P0420 AND/OR P0430, THE MALFUNCTION INDICATOR LAMP (MIL), ON SOME VEHICLES, WILL BE ILLUMINATED AND THE POWERTRAIN CONTROL MODULE (PCM) WOULD BE REPROGRAM WITH LATEST…

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04752004-01-01

FORD, MERCURY

原文故障碼 P0420

DRIVEABILITY-MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED-DIAGNOSTIC TROUBLE CODES (DTC'S) P0420 AND/OR P0430. *MJ

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032512003-12-22

FORD

原文故障碼 P0420

DRIVEABILITY-MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED-DIAGNOSTIC TROUBLE CODES (DTC'S) P0420 AND/OR P0430. *MJ

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