총 비용
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공임
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부품비
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소요 시간
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2026. 7. 30. 작업
증상
P0420 코드가 발생했는데, 특히 혼다 차량에서 이것이 촉매변환기(캐탈리틱 컨버터)만 나쁜 것인지 아니면 다른 이유도 있는지 알고 싶음
처리 내용
P0420은 모든 자동차 브랜드 및 모델에서 통용되는 OBD2 표준 코드입니다. 이 코드는 촉매변환기의 효율이 차량 컴퓨터가 예상하는 수준 이하라는 것을 나타냅니다. 가장 일반적인 원인은 불량 촉매변환기입니다. 하지만 다음을 포함한 다른 원인들도 있을 수 있습니다: 불량 O2 센서, 배기시스템 누유, 불량 스파크 플러그, 연료 분사기 누유, 불량 공연비 센서
관련 고장코드
출처
이 사례는 Stack Exchange (미국)에서 수집한 데이터입니다.
신뢰도 4.1점(높음) — 출처 소스의 전문성/검증구조를 기준으로 산정된 점수이며, 정확성을 보장하지 않습니다.
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