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P0420 촉매효율저하 고장코드. 꼭 촉매고장이 아닐수 있다.

Dec. 20, 2021, 1:10 p.m., Mon, KST. SunJoo Moon

촉매가 처음 설치시에는 99% 효율을 시작으로하여, 일반적으로 90%~95% 정도이하일경우 촉매고장코드 P0420, P0430 고장코드가 발생한다고 한다. 일반적으로 다운스트림 O2센서 파형으로 촉매고장상태를 알 수 있다. 하지만, 촉매고장에는 여러 변수가 존재하기에 항상 체계적이고 과학적으로 진단후에 최종 촉매교환 결정을 하도록 한다.

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P0420 촉매효율저하 고장코드. 꼭 촉매고장이 아닐수 있다., |bekomcar.com
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  • SunJoo Moon(SunJoo)
  • bekomcar@gmail.com
  • I like cars, that simple. Especially I like Honda and Saab vehicles, and enjoy maintaining cars myself. Also, feel very pleased and happy when my contribution to a variety of motor vehicle clubs solves the issues.

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