{"id":5817,"date":"2025-10-28T01:25:48","date_gmt":"2025-10-28T09:25:48","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=5817"},"modified":"2025-10-28T01:26:14","modified_gmt":"2025-10-28T09:26:14","slug":"can-my-three-way-catalytic-converter-pass-californias-smog-test","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/ur\/can-my-three-way-catalytic-converter-pass-californias-smog-test\/","title":{"rendered":"\u06a9\u06cc\u0627 \u0645\u06cc\u0631\u0627 \u062a\u06be\u0631\u06cc \u0648\u06d2 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u0627 \u0633\u0645\u0648\u06af \u0679\u06cc\u0633\u0679 \u067e\u0627\u0633 \u06a9\u0631 \u0633\u06a9\u062a\u0627 \u06c1\u06d2\u061f"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"introduction\">\u062a\u0639\u0627\u0631\u0641<\/h2>\n\n\n\n<p>\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u06d2 \u0633\u0645\u0648\u06af \u0642\u0648\u0627\u0646\u06cc\u0646 \u062f\u0646\u06cc\u0627 \u06a9\u06d2 \u0633\u062e\u062a \u062a\u0631\u06cc\u0646 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0645\u06cc\u06ba \u0633\u06d2 \u06c1\u06cc\u06ba\u06d4 \u06a9\u0627\u0631 \u0645\u0627\u0644\u06a9\u0627\u0646 \u0627\u0648\u0631 \u0645\u06a9\u06cc\u0646\u06a9\u0633 \u06cc\u06a9\u0633\u0627\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u0627\u06a9\u062b\u0631 \u0633\u0648\u0627\u0644\u0627\u062a \u0645\u06cc\u06ba \u0633\u06d2 \u0627\u06cc\u06a9 \u06cc\u06c1 \u06c1\u06d2:&nbsp;<em>&#034;\u0645\u06cc\u0631\u0627 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba<a href=\"https:\/\/3waycatalyst.com\/ur\/three-way-catalytic-converter-twc\/\"> \u062a\u06cc\u0646 \u0637\u0631\u0641\u06c1 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 <\/a>\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u0633\u0645\u0648\u06af \u0679\u06cc\u0633\u0679 \u067e\u0627\u0633 \u06a9\u0631\u06cc\u06ba\u061f<\/em>&nbsp;\u062c\u0648\u0627\u0628 \u06c1\u0645\u06cc\u0634\u06c1 \u0622\u0633\u0627\u0646 \u0646\u06c1\u06cc\u06ba \u06c1\u0648\u062a\u0627 \u06c1\u06d2 - \u06cc\u06c1 \u06a9\u0626\u06cc \u0627\u06c1\u0645 \u0639\u0648\u0627\u0645\u0644 \u067e\u0631 \u0645\u0646\u062d\u0635\u0631 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u060c \u0628\u0634\u0645\u0648\u0644 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06cc \u0642\u0633\u0645\u060c \u0627\u0633 \u06a9\u06cc \u062a\u0635\u062f\u06cc\u0642\u060c \u0627\u0648\u0631 \u0622\u067e \u06a9\u06cc \u06af\u0627\u0691\u06cc \u06a9\u06d2 \u0627\u062e\u0631\u0627\u062c \u06a9\u0627 \u0646\u0638\u0627\u0645 \u0645\u062c\u0645\u0648\u0639\u06cc \u0637\u0648\u0631 \u067e\u0631 \u06a9\u062a\u0646\u06cc \u0627\u0686\u06be\u06cc \u0637\u0631\u062d \u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<p>\u06cc\u06c1 \u0645\u0636\u0645\u0648\u0646 \u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u0645\u06cc\u06ba \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06cc \u062a\u0639\u0645\u06cc\u0644 \u06a9\u06d2 \u067e\u06cc\u0686\u06be\u06d2 \u0633\u0627\u0626\u0646\u0633\u060c \u0642\u0648\u0627\u0639\u062f \u0648 \u0636\u0648\u0627\u0628\u0637 \u0627\u0648\u0631 \u062c\u0627\u0646\u0686 \u06a9\u06d2 \u0637\u0631\u06cc\u0642\u06c1 \u06a9\u0627\u0631 \u06a9\u0648 \u062a\u0648\u0691\u062a\u0627 \u06c1\u06d2\u06d4 \u06c1\u0645 \u0627\u0633 \u0628\u0627\u062a \u06a9\u06cc \u0648\u0636\u0627\u062d\u062a \u06a9\u0631\u06cc\u06ba \u06af\u06d2 \u06a9\u06c1 \u0622\u067e \u06a9\u06d2 \u0633\u0645\u0648\u06af \u0645\u0639\u0627\u0626\u0646\u06c1 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u06a9\u0648 \u06a9\u06cc\u0627 \u0645\u062a\u0627\u062b\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u06cc\u06c1 \u06cc\u0642\u06cc\u0646\u06cc \u0628\u0646\u0627\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0639\u0645\u0644\u06cc \u062a\u062c\u0627\u0648\u06cc\u0632 \u0641\u0631\u0627\u06c1\u0645 \u06a9\u0631\u06cc\u06ba \u06af\u06d2 \u06a9\u06c1 \u0622\u067e \u06a9\u06cc \u06a9\u0627\u0631 \u0645\u0639\u06cc\u0627\u0631\u0627\u062a \u067e\u0631 \u067e\u0648\u0631\u0627 \u0627\u062a\u0631\u062a\u06cc \u06c1\u06d2\u06d4<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-a-three-way-catalytic-converter-\">\u062a\u06cc\u0646 \u0637\u0631\u0641\u06c1 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06cc\u0627 \u06c1\u06d2\u061f<\/h2>\n\n\n\n<p>A<a href=\"https:\/\/3waycatalyst.com\/ur\/three-way-catalytic-converter-twc\/\">&nbsp;<strong>three-way catalytic converter (TWC)<\/strong>&nbsp;<\/a>\u0646\u0642\u0635\u0627\u0646 \u062f\u06c1 \u06af\u06cc\u0633\u0648\u06ba \u06a9\u0648 \u06a9\u0645 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u062a\u06cc\u0646 \u0636\u0631\u0648\u0631\u06cc \u06a9\u06cc\u0645\u06cc\u0627\u0626\u06cc \u0631\u062f \u0639\u0645\u0644 \u0627\u0646\u062c\u0627\u0645 \u062f\u06cc\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0688\u06cc\u0632\u0627\u0626\u0646 \u06a9\u06cc\u0627 \u06af\u06cc\u0627 \u06c1\u06d2:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u06a9\u0627\u0631\u0628\u0646 \u0645\u0648\u0646\u0648 \u0622\u06a9\u0633\u0627\u0626\u06cc\u0688 (CO) \u06a9\u0627 \u0622\u06a9\u0633\u06cc\u06a9\u0631\u0646<\/strong>&nbsp;\u06a9\u0627\u0631\u0628\u0646 \u0688\u0627\u0626\u06cc \u0622\u06a9\u0633\u0627\u0626\u06cc\u0688 (CO\u2082) \u0645\u06cc\u06ba<\/li>\n\n\n\n<li><strong>\u062c\u0644\u06d2 \u06c1\u0648\u0626\u06d2 \u06c1\u0627\u0626\u06cc\u0688\u0631\u0648 \u06a9\u0627\u0631\u0628\u0646 \u06a9\u0627 \u0622\u06a9\u0633\u06cc\u06a9\u0631\u0646 (HC)<\/strong>&nbsp;\u06a9\u0627\u0631\u0628\u0646 \u0688\u0627\u0626\u06cc \u0622\u06a9\u0633\u0627\u0626\u06cc\u0688 \u0627\u0648\u0631 \u067e\u0627\u0646\u06cc \u0645\u06cc\u06ba<\/li>\n\n\n\n<li><strong>\u0646\u0627\u0626\u0679\u0631\u0648\u062c\u0646 \u0622\u06a9\u0633\u0627\u0626\u06cc\u0688 \u06a9\u06cc \u06a9\u0645\u06cc (NO\u2093)<\/strong>&nbsp;\u0646\u0627\u0626\u0679\u0631\u0648\u062c\u0646 \u0627\u0648\u0631 \u0622\u06a9\u0633\u06cc\u062c\u0646 \u0645\u06cc\u06ba<\/li>\n<\/ol>\n\n\n\n<p>\u06cc\u06c1 \u062a\u06cc\u0646\u0648\u06ba \u0631\u062f \u0639\u0645\u0644 \u0627\u06cc\u06a9 \u0633\u0627\u062a\u06be \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06d2 \u0634\u06c1\u062f \u06a9\u06d2 \u0686\u06be\u062a\u06d2 \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u0642\u06cc\u0645\u062a\u06cc \u062f\u06be\u0627\u062a\u0648\u06ba \u0633\u06d2 \u0644\u067e\u0679\u06d2 \u06c1\u0648\u0626\u06d2 \u06c1\u0648\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4&nbsp;<strong>platinum, palladium, and rhodium<\/strong>. \u0645\u0646\u0627\u0633\u0628 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u0627 TWC 90% \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u0646\u0642\u0635\u0627\u0646 \u062f\u06c1 \u0627\u062e\u0631\u0627\u062c \u06a9\u0648 \u06a9\u0645 \u06a9\u0631 \u0633\u06a9\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/3waycatalyst.com\/ur\/the-essential-guide-to-three-way-catalytic-converters\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"635\" src=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters.jpg\" alt=\"\u062a\u06cc\u0646-\u0637\u0631\u06cc\u0642\u06c1-\u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9-\u06a9\u0646\u0648\u0631\u0679\u0631\u0632 \u06a9\u06d2 \u0644\u06cc\u06d2-\u0636\u0631\u0648\u0631\u06cc-\u0631\u06c1\u0646\u0645\u0627\u0626\u06cc\" class=\"wp-image-1807\" title=\"\" srcset=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters.jpg 1024w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters-300x186.jpg 300w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters-768x476.jpg 768w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters-600x372.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/3waycatalyst.com\/ur\/the-essential-guide-to-three-way-catalytic-converters\/\">\u062a\u06cc\u0646-\u0637\u0631\u06cc\u0642\u06c1-\u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9-\u06a9\u0646\u0648\u0631\u0679\u0631\u0632 \u06a9\u06d2 \u0644\u06cc\u06d2-\u0636\u0631\u0648\u0631\u06cc-\u0631\u06c1\u0646\u0645\u0627\u0626\u06cc<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"understanding-california-s-smog-laws\">\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u06d2 \u0633\u0645\u0648\u06af \u0642\u0648\u0627\u0646\u06cc\u0646 \u06a9\u0648 \u0633\u0645\u062c\u06be\u0646\u0627<\/h2>\n\n\n\n<p>The&nbsp;<strong>California Air Resources Board (CARB)<\/strong>&nbsp;\u0627\u062e\u0631\u0627\u062c \u06a9\u0646\u0679\u0631\u0648\u0644 \u0622\u0644\u0627\u062a \u06a9\u0648 \u0645\u0646\u0638\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u0631\u06cc\u0627\u0633\u062a \u0645\u06cc\u06ba \u0641\u0631\u0648\u062e\u062a\u060c \u0646\u0635\u0628\u060c \u06cc\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06c1\u0648\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u06a9\u0633\u06cc \u0628\u06be\u06cc \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06d2 \u067e\u0627\u0633 \u06c1\u0648\u0646\u0627 \u0636\u0631\u0648\u0631\u06cc \u06c1\u06d2\u06d4&nbsp;<strong>CARB \u0627\u06cc\u06af\u0632\u06cc\u06a9\u0679\u0648 \u0622\u0631\u0688\u0631 (EO) \u0646\u0645\u0628\u0631<\/strong>. \u06cc\u06c1 EO \u0633\u0631\u0679\u06cc\u0641\u06cc\u06a9\u06cc\u0634\u0646 \u062b\u0627\u0628\u062a \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u06a9\u06c1 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u06d2 \u0627\u062e\u0631\u0627\u062c \u0645\u06cc\u06ba \u06a9\u0645\u06cc \u06a9\u06d2 \u0633\u062e\u062a \u0645\u0639\u06cc\u0627\u0631\u0627\u062a \u067e\u0631 \u067e\u0648\u0631\u0627 \u0627\u062a\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n\n\n\n<p>\u062f\u0648\u0633\u0631\u06d2 \u0627\u0644\u0641\u0627\u0638 \u0645\u06cc\u06ba\u060c \u06cc\u06c1\u0627\u06ba \u062a\u06a9 \u06a9\u06c1 \u0627\u06af\u0631 \u0622\u067e \u06a9\u0627 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u0628\u0627\u0644\u06a9\u0644 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u062a\u0648 \u06cc\u06c1 \u0633\u0645\u0648\u06af \u0679\u06cc\u0633\u0679 \u0645\u06cc\u06ba \u0646\u0627\u06a9\u0627\u0645 \u06c1\u0648 \u062c\u0627\u0626\u06d2 \u06af\u0627\u06d4&nbsp;<strong>\u0627\u06af\u0631 \u06cc\u06c1 CARB \u0633\u06d2 \u0645\u0646\u0638\u0648\u0631 \u0634\u062f\u06c1 \u0646\u06c1\u06cc\u06ba \u06c1\u06d2\u06d4<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"key-requirements-\">\u06a9\u0644\u06cc\u062f\u06cc \u062a\u0642\u0627\u0636\u06d2:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u0648 \u0638\u0627\u06c1\u0631 \u06a9\u0631\u0646\u0627 \u0686\u0627\u06c1\u06cc\u06d2 a&nbsp;<strong>\u067e\u0691\u06be\u0646\u06d2 \u06a9\u06d2 \u0642\u0627\u0628\u0644 \u0627\u06cc \u0627\u0648 \u0646\u0645\u0628\u0631<\/strong>.<\/li>\n\n\n\n<li>\u06cc\u06c1 \u0622\u067e \u06a9\u06d2 \u0644\u0626\u06d2 \u062e\u0627\u0635 \u0637\u0648\u0631 \u067e\u0631 \u0688\u06cc\u0632\u0627\u0626\u0646 \u06a9\u06cc\u0627 \u062c\u0627\u0646\u0627 \u0686\u0627\u06c1\u0626\u06d2&nbsp;<strong>\u06af\u0627\u0691\u06cc \u06a9\u06cc \u0633\u0627\u062e\u062a\u060c \u0645\u0627\u0688\u0644 \u0627\u0648\u0631 \u0627\u0646\u062c\u0646 \u06a9\u06cc \u0642\u0633\u0645<\/strong>.<\/li>\n\n\n\n<li>\u062a\u0646\u0635\u06cc\u0628 \u06a9\u06cc \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0631\u0646\u0627 \u0636\u0631\u0648\u0631\u06cc \u06c1\u06d2&nbsp;<strong>CARB \u0633\u06d2 \u0645\u0646\u0638\u0648\u0631 \u0634\u062f\u06c1 \u0637\u0631\u06cc\u0642\u06c1 \u06a9\u0627\u0631<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-difference-between-federal-and-carb-converters\">\u0648\u0641\u0627\u0642\u06cc \u0627\u0648\u0631 CARB \u06a9\u0646\u0648\u0631\u0679\u0631\u0632 \u06a9\u06d2 \u062f\u0631\u0645\u06cc\u0627\u0646 \u0641\u0631\u0642<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>\u0641\u06cc\u0688\u0631\u0644 (EPA) \u06a9\u0646\u0648\u0631\u0679\u0631<\/th><th>\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 (CARB) \u06a9\u0646\u0648\u0631\u0679\u0631<\/th><\/tr><\/thead><tbody><tr><td>\u0633\u0631\u0679\u06cc\u0641\u06cc\u06a9\u06cc\u0634\u0646<\/td><td>\u0627\u06cc \u067e\u06cc \u0627\u06d2<\/td><td>CARB \u0627\u06cc\u06af\u0632\u06cc\u06a9\u0679\u0648 \u0622\u0631\u0688\u0631 (EO)<\/td><\/tr><tr><td>\u0627\u062e\u0631\u0627\u062c \u06a9\u0627 \u0645\u0639\u06cc\u0627\u0631<\/td><td>\u06a9\u0645 \u0633\u062e\u062a<\/td><td>\u0627\u0645\u0631\u06cc\u06a9\u06c1 \u0645\u06cc\u06ba \u0633\u0628 \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u0633\u062e\u062a<\/td><\/tr><tr><td>\u0644\u06cc\u0628\u0644 \u0644\u06af\u0627\u0646\u0627<\/td><td>EO \u0646\u0645\u0628\u0631 \u06a9\u06cc \u06a9\u0645\u06cc \u06c1\u0648 \u0633\u06a9\u062a\u06cc \u06c1\u06d2\u06d4<\/td><td>EO \u0646\u0645\u0628\u0631 \u0627\u0648\u0631 \u06a9\u0627\u0631\u062e\u0627\u0646\u06c1 \u062f\u0627\u0631 \u06a9\u06cc \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u06c1\u0648\u0646\u06cc \u0686\u0627\u06c1\u06cc\u06d2\u06d4<\/td><\/tr><tr><td>\u0642\u06cc\u0645\u062a<\/td><td>\u0632\u06cc\u0631\u06cc\u06ba<\/td><td>\u0627\u0636\u0627\u0641\u06cc \u062c\u0627\u0646\u0686 \u06a9\u06cc \u0648\u062c\u06c1 \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1<\/td><\/tr><tr><td>\u0633\u0645\u0648\u06af \u0679\u06cc\u0633\u0679 \u06a9\u0627 \u0646\u062a\u06cc\u062c\u06c1<\/td><td>\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u0645\u06cc\u06ba \u0646\u0627\u06a9\u0627\u0645 \u06c1\u0648 \u0633\u06a9\u062a\u0627 \u06c1\u06d2\u06d4<\/td><td>\u0627\u06af\u0631 \u0635\u062d\u06cc\u062d \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0627\u0646\u0633\u0679\u0627\u0644 \u06c1\u0648\u062a\u0627 \u06c1\u06d2 \u062a\u0648 \u06af\u0632\u0631 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u06d4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0627\u06af\u0631 \u0622\u067e \u06a9\u06cc \u06af\u0627\u0691\u06cc \u0645\u06cc\u06ba \u0627\u06d2&nbsp;<strong>\u0635\u0631\u0641 \u0648\u0641\u0627\u0642\u06cc \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631<\/strong>\u060c \u06cc\u06c1\u0627\u06ba \u062a\u06a9 \u06a9\u06c1 \u0627\u06af\u0631 \u06cc\u06c1 \u0627\u0686\u06be\u06cc \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc \u06a9\u0627 \u0645\u0638\u0627\u06c1\u0631\u06c1 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u062a\u0648\u060c \u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u0627 \u0633\u0645\u0648\u06af \u0645\u0639\u0627\u0626\u0646\u06c1 \u0645\u0645\u06a9\u0646\u06c1 \u0637\u0648\u0631 \u067e\u0631 \u0627\u0633 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631 \u0646\u0634\u0627\u0646 \u0632\u062f \u06a9\u0631\u06d2 \u06af\u0627\u06d4&nbsp;<strong>\u063a\u06cc\u0631 \u062a\u0639\u0645\u06cc\u0644<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-happens-during-a-smog-test\">\u0633\u0645\u0648\u06af \u0679\u06cc\u0633\u0679 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646 \u06a9\u06cc\u0627 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u06d4<\/h2>\n\n\n\n<p>\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u0633\u0645\u0648\u06af \u06a9\u06d2 \u0645\u0639\u0627\u0626\u0646\u06d2 \u06a9\u06d2 \u062f\u0648\u0631\u0627\u0646\u060c \u062a\u06a9\u0646\u06cc\u06a9\u06cc \u0645\u0627\u06c1\u0631\u06cc\u0646 \u06a9\u0626\u06cc \u0686\u06cc\u06a9 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0628\u0635\u0631\u06cc \u0645\u0639\u0627\u0626\u0646\u06c1<\/strong>&nbsp;- \u0648\u06c1 \u0627\u06cc\u06a9 \u0645\u0631\u0626\u06cc EO \u0646\u0645\u0628\u0631 \u06a9\u06d2 \u0633\u0627\u062a\u06be CARB \u0633\u06d2 \u0645\u0646\u0638\u0648\u0631 \u0634\u062f\u06c1 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u06cc \u0645\u0648\u062c\u0648\u062f\u06af\u06cc \u06a9\u06cc \u062a\u0635\u062f\u06cc\u0642 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/li>\n\n\n\n<li><strong>\u0641\u0646\u06a9\u0634\u0646\u0644 \u0679\u06cc\u0633\u0679<\/strong>&nbsp;- \u0648\u06c1 \u062a\u0635\u062f\u06cc\u0642 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba \u06a9\u06c1 \u0622\u06a9\u0633\u06cc\u062c\u0646 \u0633\u06cc\u0646\u0633\u0631\u0632 \u0627\u0648\u0631 \u0627\u06cc\u06af\u0632\u0627\u0633\u0679 \u0633\u0633\u0679\u0645 \u0635\u062d\u06cc\u062d \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631 \u0631\u06c1\u06d2 \u06c1\u06cc\u06ba\u06d4<\/li>\n\n\n\n<li><strong>\u0627\u062e\u0631\u0627\u062c \u0679\u06cc\u0633\u0679<\/strong>&nbsp;- \u0627\u06cc\u06a9 \u0688\u0627\u0626\u0646\u0648\u0645\u06cc\u0679\u0631 \u06cc\u0627 OBD-II \u0627\u0633\u06a9\u06cc\u0646 \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2\u060c \u0648\u06c1 \u0627\u062e\u0631\u0627\u062c \u06a9\u06cc \u067e\u06cc\u062f\u0627\u0648\u0627\u0631 \u06a9\u06cc \u067e\u06cc\u0645\u0627\u0626\u0634 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba \u062a\u0627\u06a9\u06c1 \u0627\u0633 \u0628\u0627\u062a \u06a9\u06cc \u062a\u0635\u062f\u06cc\u0642 \u06a9\u06cc \u062c\u0627 \u0633\u06a9\u06d2 \u06a9\u06c1 \u06cc\u06c1 \u062d\u062f \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u06c1\u06d2\u06d4<\/li>\n<\/ol>\n\n\n\n<p>If your converter fails either the visual or emissions test, your vehicle will not pass.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-reasons-for-failing-the-smog-test\">Common Reasons for Failing the Smog Test<\/h2>\n\n\n\n<p>Even with a CARB-certified converter, vehicles can still fail due to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Check Engine Light (CEL) On<\/strong>&nbsp;\u2013 Often triggered by O\u2082 sensor or converter inefficiency.<\/li>\n\n\n\n<li><strong>Exhaust Leaks<\/strong>&nbsp;\u2013 Allow unfiltered gases to escape before reaching the converter.<\/li>\n\n\n\n<li><strong>Poor Fuel Mixture<\/strong>&nbsp;\u2013 Caused by faulty injectors or vacuum leaks.<\/li>\n\n\n\n<li><strong>Aging Converter<\/strong>&nbsp;\u2013 Over time, the catalyst materials degrade, reducing efficiency.<\/li>\n\n\n\n<li><strong>Incorrect Installation<\/strong>&nbsp;\u2013 Wrong placement or welding can block exhaust flow.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-improve-your-chances-of-passing\">How to Improve Your Chances of Passing<\/h2>\n\n\n\n<p>Follow these maintenance steps to increase your odds:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Use a CARB-Approved Converter<\/strong>&nbsp;\u2014 Always verify the EO number before installation.<\/li>\n\n\n\n<li><strong>Replace Faulty Sensors<\/strong>&nbsp;\u2014 Especially upstream O\u2082 sensors that control air-fuel ratio.<\/li>\n\n\n\n<li><strong>Fix Check Engine Codes<\/strong>&nbsp;\u2014 Don\u2019t just clear them; address the root cause.<\/li>\n\n\n\n<li><strong>Perform Regular Oil Changes<\/strong>&nbsp;\u2014 Prevents contamination of catalyst materials.<\/li>\n\n\n\n<li><strong>Avoid Fuel Additives<\/strong>&nbsp;\u2014 Some additives can coat and deactivate the catalyst.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-science-behind-passing-emissions\">The Science Behind Passing Emissions<\/h2>\n\n\n\n<p>A properly functioning&nbsp;<strong><a href=\"https:\/\/3waycatalyst.com\/ur\/three-way-catalytic-converter-twc\/\">\u062a\u06cc\u0646 \u0637\u0631\u0641\u06c1 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631<\/a><\/strong>&nbsp;maintains a&nbsp;<strong>stoichiometric air-fuel ratio (14.7:1)<\/strong>&nbsp;\u2014 the perfect balance for oxidation and reduction reactions. When the ratio shifts too lean or rich, conversion efficiency drops sharply.<\/p>\n\n\n\n<p>For example:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Air-Fuel Ratio<\/th><th>Efficiency of NO\u2093 Reduction<\/th><th>Efficiency of CO\/HC Oxidation<\/th><\/tr><\/thead><tbody><tr><td>14.7:1<\/td><td>95\u201398%<\/td><td>95\u201398%<\/td><\/tr><tr><td>15.5:1 (lean)<\/td><td>60\u201370%<\/td><td>98%<\/td><\/tr><tr><td>13.5:1 (rich)<\/td><td>98%<\/td><td>60\u201370%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Maintaining the correct ratio ensures that all three reactions in the converter occur efficiently.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"new-vs-used-catalytic-converters-in-california\">New vs. Used Catalytic Converters in California<\/h2>\n\n\n\n<p>California strictly prohibits installing&nbsp;<strong>used, refurbished, or aftermarket converters without CARB certification<\/strong>. Every new converter must be individually tested for each vehicle model.<\/p>\n\n\n\n<p>Even if a used converter came from the same model car, it\u2019s illegal to reuse it unless it\u2019s still the original equipment (OEM) installed by the manufacturer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-if-you-fail-the-smog-test-\">What If You Fail the Smog Test?<\/h2>\n\n\n\n<p>If your vehicle fails due to a non-CARB converter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You must&nbsp;<strong>replace it<\/strong>&nbsp;with a CARB-approved model.<\/li>\n\n\n\n<li>Keep documentation showing the EO number and installation date.<\/li>\n\n\n\n<li>Have your vehicle re-tested after repairs.<\/li>\n<\/ul>\n\n\n\n<p>If your converter is CARB-approved but your emissions are still high, diagnose upstream issues like faulty sensors, misfires, or rich fuel mixtures before replacing parts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cost-considerations\">Cost Considerations<\/h2>\n\n\n\n<p>CARB-compliant converters are more expensive \u2014 often ranging from&nbsp;<strong>$800 to $2,500<\/strong>&nbsp;\u2014 but they\u2019re legally required for vehicles registered in California. Choosing a cheaper, non-certified converter may save money short-term but will ultimately cause&nbsp;<strong>smog test failure<\/strong>, fines, and reinstallation costs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"summary-increasing-your-odds-of-passing\">Summary: Increasing Your Odds of Passing<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u0642\u062f\u0645<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td>Use a CARB-approved converter with EO number<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td>Maintain oxygen sensors and fuel mixture<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td>Fix any exhaust leaks or CEL issues<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td>Perform pre-test diagnostics<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td>Avoid tampering or aftermarket shortcuts<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Following these practices maximizes the chance that your catalytic converter \u2014 and your car \u2014 will pass California\u2019s smog test smoothly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\u0646\u062a\u06cc\u062c\u06c1<\/h2>\n\n\n\n<p>\u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u06d2 \u0633\u0645\u0648\u06af \u0645\u0639\u0627\u0626\u0646\u06c1 \u0633\u06d2 \u06af\u0632\u0631\u0646\u0627 \u0635\u0631\u0641 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u0631\u06a9\u06be\u0646\u06d2 \u06a9\u06d2 \u0628\u0627\u0631\u06d2 \u0645\u06cc\u06ba \u0646\u06c1\u06cc\u06ba \u06c1\u06d2 - \u06cc\u06c1 \u0627\u0633 \u06a9\u06d2 \u0628\u0627\u0631\u06d2 \u0645\u06cc\u06ba \u06c1\u06d2&nbsp;<em>\u0635\u062d\u06cc\u062d \u0627\u06cc\u06a9<\/em>. \u0627\u06d2&nbsp;<strong>CARB \u0633\u06d2 \u062a\u0635\u062f\u06cc\u0642 \u0634\u062f\u06c1 <\/strong><a href=\"https:\/\/3waycatalyst.com\/ur\/three-way-catalytic-converter-twc\/\"><strong>\u062a\u06cc\u0646 \u0637\u0631\u0641\u06c1 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631<\/strong>&nbsp;<\/a>\u0627\u06cc\u06a9 \u0627\u0686\u06be\u06cc \u0637\u0631\u062d \u0633\u06d2 \u0628\u0631\u0642\u0631\u0627\u0631 \u0631\u06a9\u06be\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0627\u0646\u062c\u0646 \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06c1 \u0635\u062d\u06cc\u062d \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0627\u0646\u0633\u0679\u0627\u0644 \u0627\u0648\u0631 \u0633\u067e\u0648\u0631\u0679 \u06a9\u06cc\u0627 \u06af\u06cc\u0627 \u06c1\u06d2 \u0627\u0633 \u06a9\u06d2 \u06af\u0632\u0631\u0646\u06d2 \u06a9\u06cc \u062a\u0642\u0631\u06cc\u0628\u0627 \u0636\u0645\u0627\u0646\u062a \u06c1\u06d2\u06d4<\/p>\n\n\n\n<p>\u0627\u067e\u0646\u06d2 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u0648 \u0635\u0627\u0641 \u0627\u062e\u0631\u0627\u062c \u06a9\u06d2 \u0633\u0644\u0633\u0644\u06d2 \u0645\u06cc\u06ba \u0622\u062e\u0631\u06cc \u06a9\u0691\u06cc \u0633\u0645\u062c\u06be\u06cc\u06ba\u06d4 \u0627\u06af\u0631 \u0627\u0633 \u0633\u06d2 \u067e\u06c1\u0644\u06d2 \u06a9\u0627 \u06c1\u0631 \u062c\u0632\u0648 \u0635\u062d\u06cc\u062d \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u062a\u0648 \u0622\u067e \u06a9\u06cc \u06a9\u0627\u0645\u06cc\u0627\u0628\u06cc \u06a9\u06d2 \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0628\u06c1\u062a \u0632\u06cc\u0627\u062f\u06c1 \u06c1\u06cc\u06ba\u06d4<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u062a\u06cc\u0646 \u0637\u0631\u0641\u06c1 \u06a9\u06cc\u0679\u0644\u06cc\u0679\u06a9 \u06a9\u0646\u0648\u0631\u0679\u0631 \u06a9\u0648 CARB \u0633\u0631\u0679\u06cc\u0641\u06cc\u06a9\u06cc\u0634\u0646 \u067e\u0631 \u067e\u0648\u0631\u0627 \u0627\u062a\u0631\u0646\u0627 \u0686\u0627\u06c1\u06cc\u06d2 \u0627\u0648\u0631 \u06a9\u06cc\u0644\u06cc\u0641\u0648\u0631\u0646\u06cc\u0627 \u06a9\u06d2 \u0633\u0645\u0648\u06af \u0679\u06cc\u0633\u0679 \u067e\u0627\u0633 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0645\u0646\u0627\u0633\u0628 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631\u0646\u0627 \u0686\u0627\u06c1\u06cc\u06d2\u06d4 \u06cc\u06c1\u0627\u06ba \u0627\u06c1\u0645 \u0639\u0648\u0627\u0645\u0644 \u0627\u0648\u0631 \u062f\u06cc\u06a9\u06be \u0628\u06be\u0627\u0644 \u06a9\u06d2 \u0646\u06a9\u0627\u062a \u062c\u0627\u0646\u06cc\u06ba\u06d4<\/p>","protected":false},"author":1,"featured_media":5818,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[1448,1447,1446,99,1449],"class_list":["post-5817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-carb-certified-converter","tag-catalytic-converter-california-smog-test","tag-passing-smog-inspection-california","tag-three-way-catalytic-converter-2","tag-vehicle-emissions-three-way-converter"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/posts\/5817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/comments?post=5817"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/posts\/5817\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/media\/5818"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/media?parent=5817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/categories?post=5817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/ur\/wp-json\/wp\/v2\/tags?post=5817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}