b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/a> l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn thi\u1ebft y\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng x\u1ea3 xe, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i. Khi b\u1ed9 ph\u1eadn quan tr\u1ecdng n\u00e0y b\u1eaft \u0111\u1ea7u h\u01b0 h\u1ecfng, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 tri\u1ec7u ch\u1ee9ng \u0111\u00e1ng ch\u00fa \u00fd, c\u1ea3nh b\u00e1o ng\u01b0\u1eddi l\u00e1i xe v\u1ec1 s\u1ef1 c\u1ed1. Vi\u1ec7c nh\u1eadn bi\u1ebft s\u1edbm nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t xe v\u00e0 tr\u00e1nh h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng h\u01a1n cho c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c trong h\u1ec7 th\u1ed1ng \u00f4 t\u00f4 c\u1ee7a b\u1ea1n. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb tr\u1ee5c tr\u1eb7c c\u00f3 th\u1ec3 g\u00e2y ra ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n, v\u00ec v\u1eady vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean h\u01b0\u1edbng t\u1edbi gi\u1ea3i ph\u00e1p.<\/p>\n\n\n\nM\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng nh\u1ea5t l\u00e0 s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 v\u1ec1 \u00e2m thanh c\u1ee7a xe. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng x\u1ea3, v\u00e0 khi b\u1ecb h\u1ecfng, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb l\u1ecfng ho\u1eb7c t\u1eafc ngh\u1ebdn, g\u00e2y ra ti\u1ebfng \u1ed3n l\u1edbn, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi xe ch\u1ea1y kh\u00f4ng t\u1ea3i. Ti\u1ebfng \u1ed3n n\u00e0y th\u01b0\u1eddng l\u00e0 do c\u1ea5u tr\u00fac t\u1ed5 ong g\u1ed1m b\u00ean trong b\u1ecb v\u1ee1. H\u01a1n n\u1eefa, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf d\u00f2ng kh\u00ed th\u1ea3i, d\u1eabn \u0111\u1ebfn m\u1ea5t c\u00f4ng su\u1ea5t \u0111\u00e1ng k\u1ec3 v\u00e0 kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c k\u00e9m. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn xe c\u00f3 c\u1ea3m gi\u00e1c \u00ec \u1ea1ch v\u00e0 kh\u00f4ng ph\u1ea3n \u1ee9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u1ed1 g\u1eafng nh\u1eadp l\u00e0n v\u00e0o \u0111\u01b0\u1eddng cao t\u1ed1c ho\u1eb7c t\u0103ng t\u1ed1c l\u00ean d\u1ed1c.<\/p>\n\n\n\n
1. \u0110\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e3 P0420<\/h3>\n\n\n\n
D\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn v\u00e0 ch\u1eafc ch\u1eafn nh\u1ea5t cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c c\u1ee7a b\u1ea1n c\u00f3 v\u1ea5n \u0111\u1ec1 l\u00e0 \u0111\u00e8n "ki\u1ec3m tra \u0111\u1ed9ng c\u01a1" tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n s\u00e1ng l\u00ean. \u0110\u00e8n n\u00e0y b\u00e1o hi\u1ec7u h\u1ec7 th\u1ed1ng ch\u1ea9n \u0111o\u00e1n tr\u00ean xe \u0111\u00e3 ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 v\u1edbi m\u1ed9t trong nhi\u1ec1u c\u1ea3m bi\u1ebfn c\u1ee7a n\u00f3, v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb l\u1ed7i l\u00e0 nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p. Khi m\u1ed9t th\u1ee3 m\u00e1y ho\u1eb7c m\u1ed9t ng\u01b0\u1eddi \u0111am m\u00ea \u00f4 t\u00f4 s\u1eed d\u1ee5ng m\u00e1y qu\u00e9t OBD-II, m\u1ed9t m\u00e3 l\u1ed7i c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 P0420, th\u01b0\u1eddng ch\u1ec9 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111ang ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi ng\u01b0\u1ee1ng hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. C\u1ea3m bi\u1ebfn oxy \u1edf ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111o h\u00e0m l\u01b0\u1ee3ng oxy trong kh\u00ed th\u1ea3i, v\u00e0 n\u1ebfu b\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u00fang c\u00e1ch, c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y s\u1ebd kh\u00f4ng \u0111\u1ed3ng b\u1ed9, k\u00edch ho\u1ea1t m\u00e3 l\u1ed7i.<\/p>\n\n\n\n
Kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c b\u1ecf qua \u0111\u00e8n b\u00e1o ki\u1ec3m tra \u0111\u1ed9ng c\u01a1. M\u1eb7c d\u00f9 \u0111\u00e8n b\u00e1o n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi nhi\u1ec1u nguy\u00ean nh\u00e2n, t\u1eeb n\u1eafp b\u00ecnh x\u0103ng b\u1ecb l\u1ecfng \u0111\u1ebfn xi-lanh b\u1ecb h\u1ecfng, m\u00e3 l\u1ed7i P0420 \u0111\u1eb7c bi\u1ec7t c\u00f3 ngh\u0129a l\u00e0 m\u00e1y t\u00ednh c\u1ee7a xe \u0111\u00e3 x\u00e1c \u0111\u1ecbnh r\u1eb1ng ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb \u1ea3nh h\u01b0\u1edfng. Vi\u1ec7c b\u1ecf qua c\u1ea3nh b\u00e1o n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng th\u00eam cho \u0111\u1ed9ng c\u01a1, v\u00ec h\u1ec7 th\u1ed1ng x\u1ea3 b\u1ecb t\u1eafc c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 t\u00edch t\u1ee5 \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t. \u0110\u00e2y l\u00e0 t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng c\u00f2n hi\u1ec7u qu\u1ea3 trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i kh\u00ed \u0111\u1ed9c th\u00e0nh c\u00e1c ch\u1ea5t \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n.<\/p>\n\n\n\n
2. Ti\u1ebfng \u1ed3n \u1ed1ng x\u1ea3 l\u1edbn ho\u1eb7c m\u1ea5t c\u00f4ng su\u1ea5t<\/h3>\n\n\n\n
Ti\u1ebfng \u1ed3n l\u1edbn khi x\u1ea3 th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c c\u1ee7a b\u1ea1n \u0111ang b\u1ecb h\u1ecfng h\u00f3c b\u00ean trong. Khi c\u00e1c kim lo\u1ea1i qu\u00fd - b\u1ea1ch kim, palladium v\u00e0 rhodium - \u0111\u01b0\u1ee3c ph\u1ee7 tr\u00ean n\u1ec1n g\u1ed1m b\u1eaft \u0111\u1ea7u b\u1ecb ph\u00e1 h\u1ee7y, c\u00e1c m\u1ea3nh ma tr\u1eadn b\u00ean trong c\u00f3 th\u1ec3 b\u1ecb l\u1ecfng. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra ti\u1ebfng k\u00eau l\u1ea1ch c\u1ea1ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi xe ch\u1ea1y kh\u00f4ng t\u1ea3i ho\u1eb7c t\u0103ng ga. M\u1ed9t tri\u1ec7u ch\u1ee9ng \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n nh\u01b0ng c\u0169ng nghi\u00eam tr\u1ecdng kh\u00f4ng k\u00e9m l\u00e0 m\u1ea5t c\u00f4ng su\u1ea5t \u0111\u1ed9t ng\u1ed9t. Khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb t\u1eafc, n\u00f3 s\u1ebd h\u1ea1n ch\u1ebf d\u00f2ng kh\u00ed th\u1ea3i n\u00f3ng t\u1eeb \u0111\u1ed9ng c\u01a1. \u00c1p su\u1ea5t ng\u01b0\u1ee3c n\u00e0y c\u00f3 th\u1ec3 l\u00e0m ngh\u1eb9t \u0111\u1ed9ng c\u01a1, d\u1eabn \u0111\u1ebfn gi\u1ea3m hi\u1ec7u su\u1ea5t, t\u0103ng t\u1ed1c k\u00e9m v\u00e0 c\u1ea3m gi\u00e1c xe nh\u01b0 \u0111ang g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c th\u1edf.<\/p>\n\n\n\n
Vi\u1ec7c m\u1ea5t c\u00f4ng su\u1ea5t l\u00e0 h\u1eadu qu\u1ea3 tr\u1ef1c ti\u1ebfp c\u1ee7a vi\u1ec7c \u0111\u1ed9ng c\u01a1 kh\u00f4ng th\u1ec3 th\u1ea3i kh\u00ed th\u1ea3i hi\u1ec7u qu\u1ea3. \u0110\u1ed9ng c\u01a1 \u0111\u1ed1t trong c\u1ea7n m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn kh\u00ed th\u1ea3i th\u00f4ng tho\u00e1ng, v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb t\u1eafc ngh\u1ebdn ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t n\u00fat chai trong chai. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m m\u00e3 l\u1ef1c v\u00e0 m\u00f4-men xo\u1eafn c\u1ee7a xe m\u00e0 c\u00f2n c\u00f3 th\u1ec3 khi\u1ebfn \u0111\u1ed9ng c\u01a1 qu\u00e1 nhi\u1ec7t. Kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf carbon monoxide v\u00e0 hydrocarbon trong kh\u00ed th\u1ea3i gi\u1ea3m l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng cho th\u1ea5y ch\u1ea5t x\u00fac t\u00e1c kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n
3. Gi\u1ea3m hi\u1ec7u qu\u1ea3 nhi\u00ean li\u1ec7u \/ V\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00f9i<\/h3>\n\n\n\n
Hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng kh\u00e1c cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111ang g\u1eb7p s\u1ef1 c\u1ed1. Khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb t\u1eafc ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng ch\u00ednh x\u00e1c, \u0111\u1ed9ng c\u01a1 ph\u1ea3i l\u00e0m vi\u1ec7c nhi\u1ec1u h\u01a1n \u0111\u1ec3 th\u1ea3i kh\u00ed th\u1ea3i. Kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u0103ng l\u00ean n\u00e0y tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn m\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u gi\u1ea3m. B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y m\u00ecnh \u0111\u1ed5 x\u0103ng th\u01b0\u1eddng xuy\u00ean h\u01a1n, ngay c\u1ea3 khi th\u00f3i quen l\u00e1i xe c\u1ee7a b\u1ea1n kh\u00f4ng thay \u0111\u1ed5i. \u0110\u00e2y th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u s\u1edbm cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111ang b\u1eaft \u0111\u1ea7u h\u1ecfng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a xe \u0111ang b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n
Ngo\u00e0i vi\u1ec7c ti\u00eau hao nhi\u00ean li\u1ec7u k\u00e9m, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb l\u1ed7i c\u00f2n c\u00f3 th\u1ec3 t\u1ea1o ra m\u00f9i kh\u00f3 ch\u1ecbu \u0111\u1eb7c tr\u01b0ng. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i c\u00e1c kh\u00ed \u0111\u1ed9c h\u1ea1i nh\u01b0 nit\u01a1 oxit, cacbon monoxit v\u00e0 hydrocarbon ch\u01b0a ch\u00e1y th\u00e0nh c\u00e1c ch\u1ea5t \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n nh\u01b0 nit\u01a1, oxy, cacbon dioxit v\u00e0 h\u01a1i n\u01b0\u1edbc. Khi ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc n\u00e0y kh\u00f4ng di\u1ec5n ra hi\u1ec7u qu\u1ea3, b\u1ea1n c\u00f3 th\u1ec3 ng\u1eedi th\u1ea5y m\u00f9i l\u01b0u hu\u1ef3nh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 m\u00f9i "tr\u1ee9ng th\u1ed1i". \u0110i\u1ec1u n\u00e0y l\u00e0 do l\u01b0u hu\u1ef3nh ch\u01b0a ch\u00e1y h\u1ebft trong kh\u00ed th\u1ea3i, m\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng x\u1eed l\u00fd.<\/p>\n\n\n\n
Causes Behind Failure<\/h2>\n\n\n\n
Hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 trong t\u01b0\u01a1ng lai. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn b\u1ec1n b\u1ec9, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng th\u1ec3 ph\u00e1 h\u1ee7y. S\u1ef1 c\u1ed1 c\u1ee7a b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p n\u00e0y trong h\u1ec7 th\u1ed1ng x\u1ea3 th\u01b0\u1eddng l\u00e0 tri\u1ec7u ch\u1ee9ng c\u1ee7a m\u1ed9t v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n kh\u00e1c tr\u00ean xe. S\u1ef1 c\u00e2n b\u1eb1ng tinh t\u1ebf gi\u1eefa nhi\u1ec7t, h\u00f3a ch\u1ea5t v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u01a1 h\u1ecdc ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec \u0111\u1ec3 b\u1ed9 x\u00fac t\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. H\u01b0 h\u1ecfng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c c\u00f3 th\u1ec3 do c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i g\u00e2y ra, nh\u01b0ng th\u01b0\u1eddng g\u1eb7p h\u01a1n l\u00e0 do s\u1ef1 c\u1ed1 \u1edf \u0111\u1ed9ng c\u01a1 ho\u1eb7c h\u1ec7 th\u1ed1ng nhi\u00ean li\u1ec7u c\u1ee7a xe.<\/p>\n\n\n\n
Nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb h\u1ecfng bao g\u1ed3m \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda sai, c\u1ea3m bi\u1ebfn oxy b\u1ecb l\u1ed7i, ho\u1eb7c h\u1ed7n h\u1ee3p nhi\u00ean li\u1ec7u kh\u00f4ng kh\u00ed qu\u00e1 gi\u00e0u khi\u1ebfn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb qu\u00e1 nhi\u1ec7t. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0a nhi\u00ean li\u1ec7u ch\u01b0a ch\u00e1y ho\u1eb7c c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c v\u00e0o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c. Ch\u1ea5t x\u00fac t\u00e1c l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb r\u1ea5t nh\u1ea1y c\u1ea3m, v\u00e0 vi\u1ec7c \u0111\u01b0a c\u00e1c ch\u1ea5t l\u1ea1 v\u00e0o c\u00f3 th\u1ec3 khi\u1ebfn n\u00f3 tr\u1edf n\u00ean v\u00f4 d\u1ee5ng. C\u00e1c kim lo\u1ea1i b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea1ch kim, palladium v\u00e0 rhodium, l\u00e0 ch\u00eca kh\u00f3a cho ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3, v\u00e0 b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng gi\u1ea3m kh\u00ed th\u1ea3i c\u1ee7a n\u00f3.<\/p>\n\n\n\n
1. S\u1ed1c nhi\u1ec7t v\u00e0 thi\u00eau k\u1ebft ch\u1ea5t x\u00fac t\u00e1c<\/h3>\n\n\n\n
M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y h\u1ecfng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ed1c nhi\u1ec7t ho\u1eb7c thi\u00eau k\u1ebft. S\u1ed1c nhi\u1ec7t x\u1ea3y ra khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c r\u1ea5t n\u00f3ng ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc l\u1ea1nh, ch\u1eb3ng h\u1ea1n nh\u01b0 khi l\u00e1i xe qua v\u0169ng n\u01b0\u1edbc. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea5u tr\u00fac t\u1ed5 ong g\u1ed1m m\u1ecfng manh b\u00ean trong b\u1ecb n\u1ee9t ho\u1eb7c v\u1ee1. Thi\u00eau k\u1ebft l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh m\u00e0 vi\u1ec7c ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao khi\u1ebfn c\u00e1c h\u1ea1t kim lo\u1ea1i qu\u00fd nh\u1ecf k\u1ebft t\u1ee5 l\u1ea1i v\u1edbi nhau. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t cho ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra, l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3m kh\u00ed th\u1ea3i.<\/p>\n\n\n\n
Lo\u1ea1i h\u01b0 h\u1ecfng n\u00e0y th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 c\u1ed1 \u0111\u1ed9ng c\u01a1, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00e1nh l\u1eeda sai khi\u1ebfn nhi\u00ean li\u1ec7u ch\u01b0a ch\u00e1y h\u1ebft tr\u00e0n v\u00e0o h\u1ec7 th\u1ed1ng x\u1ea3. Nhi\u00ean li\u1ec7u n\u00e0y sau \u0111\u00f3 b\u1ed1c ch\u00e1y b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u0103ng v\u1ecdt v\u01b0\u1ee3t xa ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i. K\u1ebft qu\u1ea3 l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i carbon monoxide th\u00e0nh carbon dioxide v\u00e0 hydrocarbon th\u00e0nh n\u01b0\u1edbc.<\/p>\n\n\n\n
2. \u00d4 nhi\u1ec5m & Ng\u1ed9 \u0111\u1ed9c (v\u00ed d\u1ee5 l\u01b0u hu\u1ef3nh)<\/h3>\n\n\n\n
Nhi\u1ec5m b\u1ea9n, hay c\u00f2n g\u1ecdi l\u00e0 "ng\u1ed9 \u0111\u1ed9c", l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n ch\u00ednh kh\u00e1c g\u00e2y ra s\u1ef1 c\u1ed1 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c. C\u00e1c kim lo\u1ea1i qu\u00fd b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 b\u1ecb ph\u1ee7 v\u00e0 b\u1ea5t ho\u1ea1t b\u1edfi nhi\u1ec1u ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c nhau c\u00f3 trong kh\u00ed th\u1ea3i. V\u00ed d\u1ee5, m\u00f9i "tr\u1ee9ng th\u1ed1i" th\u01b0\u1eddng b\u00e1o hi\u1ec7u h\u00e0m l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh cao trong kh\u00ed th\u1ea3i, c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp tr\u00ean b\u1ed9 x\u00fac t\u00e1c, c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u00ec t\u1eeb x\u0103ng pha ch\u00ec ho\u1eb7c silicon t\u1eeb gio\u0103ng n\u1eafp m\u00e1y b\u1ecb r\u00f2 r\u1ec9, c\u0169ng c\u00f3 th\u1ec3 ph\u1ee7 l\u00ean b\u1ed9 x\u00fac t\u00e1c v\u00e0 l\u00e0m m\u1ea5t hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3.<\/p>\n\n\n\n
Lo\u1ea1i h\u01b0 h\u1ecfng n\u00e0y \u0111\u1eb7c bi\u1ec7t nghi\u00eam tr\u1ecdng v\u00ec n\u00f3 di\u1ec5n ra ch\u1eadm v\u00e0 th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n cho \u0111\u1ebfn khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb nhi\u1ec5m \u0111\u1ed9c ho\u00e0n to\u00e0n. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn thi\u1ebft y\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i xe, v\u00e0 khi b\u1ecb nhi\u1ec5m \u0111\u1ed9c, n\u00f3 kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u1ea7n thi\u1ebft \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i th\u00e0nh c\u00e1c ch\u1ea5t \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 d\u1eabn \u0111\u1ebfn \u0111\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1 s\u00e1ng m\u00e0 c\u00f2n c\u00f3 ngh\u0129a l\u00e0 xe kh\u00f4ng c\u00f2n \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i li\u00ean bang.<\/p>\n\n\n\n
3. Thi\u1ec7t h\u1ea1i v\u1eadt l\u00fd ho\u1eb7c t\u1eafc ngh\u1ebdn<\/h3>\n\n\n\n
H\u01b0 h\u1ecfng v\u1eadt l\u00fd ho\u1eb7c t\u1eafc ngh\u1ebdn c\u0169ng l\u00e0 nh\u1eefng m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u1eb1m b\u00ean d\u01b0\u1edbi g\u1ea7m xe, do \u0111\u00f3 d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c m\u1ea3nh v\u1ee1 tr\u00ean \u0111\u01b0\u1eddng ho\u1eb7c g\u1edd gi\u1ea3m t\u1ed1c. M\u1ed9t c\u00fa va ch\u1ea1m m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t v\u1ecf ho\u1eb7c v\u1ee1 ma tr\u1eadn g\u1ed1m b\u00ean trong, d\u1eabn \u0111\u1ebfn ti\u1ebfng k\u00eau l\u1ea1ch c\u1ea1ch v\u00e0 gi\u1ea3m hi\u1ec7u su\u1ea5t \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean. T\u1eafc ngh\u1ebdn c\u0169ng th\u01b0\u1eddng x\u1ea3y ra, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng chi\u1ebfc xe c\u0169. C\u1eb7n carbon ho\u1eb7c d\u1ea7u t\u00edch t\u1ee5 c\u00f3 th\u1ec3 l\u00e0m t\u1eafc ngh\u1ebdn c\u1ea5u tr\u00fac t\u1ed5 ong, h\u1ea1n ch\u1ebf d\u00f2ng kh\u00ed th\u1ea3i n\u00f3ng v\u00e0 g\u00e2y m\u1ea5t c\u00f4ng su\u1ea5t.<\/p>\n\n\n\n
B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb t\u1eafc l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd ngay l\u1eadp t\u1ee9c. L\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i gi\u1ea3m c\u00f3 th\u1ec3 g\u00e2y ra \u00e1p su\u1ea5t ng\u01b0\u1ee3c, t\u1eeb \u0111\u00f3 g\u00e2y h\u01b0 h\u1ecfng \u0111\u1ed9ng c\u01a1. T\u1eafc ngh\u1ebdn v\u1eadt l\u00fd c\u00f3 th\u1ec3 do nhi\u1ec1u nguy\u00ean nh\u00e2n, bao g\u1ed3m h\u1ed7n h\u1ee3p nhi\u00ean li\u1ec7u qu\u00e1 gi\u00e0u ho\u1eb7c c\u1ea3m bi\u1ebfn oxy b\u1ecb tr\u1ee5c tr\u1eb7c. Ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 cung c\u1ea5p m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn s\u1ea1ch cho kh\u00ed th\u1ea3i tho\u00e1t ra kh\u1ecfi xe, v\u00e0 khi \u0111\u01b0\u1eddng d\u1eabn \u0111\u00f3 b\u1ecb t\u1eafc, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 h\u01b0 h\u1ecfng th\u00eam cho h\u1ec7 th\u1ed1ng x\u1ea3.<\/p>\n\n\n\n
Immediate Actions for Businesses<\/h2>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p c\u00f3 \u0111\u1ed9i xe, vi\u1ec7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng kh\u00f4ng ch\u1ec9 g\u00e2y phi\u1ec1n to\u00e1i m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 t\u00e0i ch\u00ednh v\u00e0 v\u1eadn h\u00e0nh. Vi\u1ec7c ch\u1ea9n \u0111o\u00e1n v\u00e0 s\u1eeda ch\u1eefa k\u1ecbp th\u1eddi, ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1ebft m\u00e1y v\u00e0 tr\u00e1nh chi ph\u00ed s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng c\u00f3 th\u1ec3 khi\u1ebfn xe kh\u00f4ng v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c b\u00e0i ki\u1ec3m tra kh\u00ed th\u1ea3i, d\u1eabn \u0111\u1ebfn b\u1ecb ph\u1ea1t ti\u1ec1n v\u00e0 ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Vi\u1ec7c c\u00f3 m\u1ed9t k\u1ebf ho\u1ea1ch h\u00e0nh \u0111\u1ed9ng r\u00f5 r\u00e0ng khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c qu\u1ea3n l\u00fd \u0111\u1ed9i xe.<\/p>\n\n\n\n
Khi \u0111\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1 b\u1eadt s\u00e1ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i c\u00f3 m\u1ed9t quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n. Quy tr\u00ecnh n\u00e0y c\u1ea7n s\u1ef1 tham gia c\u1ee7a m\u1ed9t th\u1ee3 m\u00e1y chuy\u00ean nghi\u1ec7p, ng\u01b0\u1eddi c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n. Quy\u1ebft \u0111\u1ecbnh thay th\u1ebf ho\u1eb7c v\u1ec7 sinh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u0169ng r\u1ea5t quan tr\u1ecdng, v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn chi ph\u00ed. Cu\u1ed1i c\u00f9ng, c\u00e1c doanh nghi\u1ec7p ph\u1ea3i c\u00e2n nh\u1eafc ngu\u1ed3n g\u1ed1c ph\u1ee5 t\u00f9ng thay th\u1ebf, v\u00ec c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c gi\u1ea3i ph\u00e1p OEM v\u00e0 aftermarket.<\/p>\n\n\n\n
1. Quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/h3>\n\n\n\n
B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 m\u1ed9t quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n k\u1ef9 l\u01b0\u1ee1ng. Quy tr\u00ecnh n\u00e0y n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c qu\u00e9t m\u00e1y t\u00ednh tr\u00ean xe \u0111\u1ec3 t\u00ecm m\u00e3 l\u1ed7i ch\u1ea9n \u0111o\u00e1n. M\u00e3 P0420 l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111ang g\u1eb7p s\u1ef1 c\u1ed1. Tuy nhi\u00ean, m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean gi\u1ecfi s\u1ebd kh\u00f4ng d\u1eebng l\u1ea1i \u1edf \u0111\u00f3. H\u1ecd c\u0169ng s\u1ebd ki\u1ec3m tra tr\u1ef1c quan b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 h\u1ec7 th\u1ed1ng x\u1ea3 \u0111\u1ec3 t\u00ecm b\u1ea5t k\u1ef3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng v\u1eadt l\u00fd n\u00e0o. Ki\u1ec3m tra \u00e1p su\u1ea5t ng\u01b0\u1ee3c l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 kh\u00e1c \u0111\u1ec3 ki\u1ec3m tra b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb t\u1eafc. Quy tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t v\u00e0o c\u1ed5ng c\u1ea3m bi\u1ebfn oxy \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t kh\u00ed th\u1ea3i. \u00c1p su\u1ea5t cao l\u00e0 d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng c\u1ee7a t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn to\u00e0n di\u1ec7n n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec c\u00e1c tri\u1ec7u ch\u1ee9ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng th\u01b0\u1eddng d\u1ec5 b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c. V\u00ed d\u1ee5, \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t c\u00f4ng su\u1ea5t v\u00e0 gi\u1ea3m hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u, nh\u01b0ng nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 l\u00e0 do bugi \u0111\u00e1nh l\u1eeda k\u00e9m ch\u1ee9 kh\u00f4ng ph\u1ea3i do b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. Quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n \u0111\u1ea3m b\u1ea3o x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u1ef1c s\u1ef1, ng\u0103n ng\u1eeba vi\u1ec7c s\u1eeda ch\u1eefa v\u00e0 chi ph\u00ed kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n
2. Khi n\u00e0o n\u00ean thay th\u1ebf so v\u1edbi khi n\u00e0o n\u00ean v\u1ec7 sinh<\/h3>\n\n\n\n
Quy\u1ebft \u0111\u1ecbnh thay th\u1ebf hay v\u1ec7 sinh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t v\u00e0 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a s\u1ef1 c\u1ed1. N\u1ebfu b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb h\u01b0 h\u1ecfng v\u1eadt l\u00fd, tan ch\u1ea3y ho\u1eb7c b\u1ecb t\u1eafc ho\u00e0n to\u00e0n, thay th\u1ebf l\u00e0 l\u1ef1a ch\u1ecdn duy nh\u1ea5t. Tuy nhi\u00ean, n\u1ebfu b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb t\u1eafc m\u1ed9t ph\u1ea7n ho\u1eb7c b\u1ecb nhi\u1ec5m b\u1ea9n do c\u1eb7n carbon, vi\u1ec7c v\u1ec7 sinh chuy\u00ean nghi\u1ec7p c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p kh\u1ea3 thi. C\u00f3 c\u00e1c d\u1ecbch v\u1ee5 v\u1ec7 sinh chuy\u00ean d\u1ee5ng v\u00e0 h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u00f2a tan c\u00e1c c\u1eb7n b\u1ea9n n\u00e0y v\u00e0 kh\u00f4i ph\u1ee5c m\u1ed9t ph\u1ea7n ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n\n\n\n
M\u1eb7c d\u00f9 vi\u1ec7c v\u1ec7 sinh c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebft ki\u1ec7m chi ph\u00ed trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p v\u0129nh vi\u1ec5n. V\u1ea5n \u0111\u1ec1 c\u01a1 b\u1ea3n g\u00e2y ra t\u1eafc ngh\u1ebdn ho\u1eb7c nhi\u1ec5m b\u1ea9n c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. N\u1ebfu \u0111\u1ed9ng c\u01a1 v\u1eabn ch\u1ea1y \u1edf m\u1ee9c gi\u00e0u ho\u1eb7c c\u1ea3m bi\u1ebfn b\u1ecb l\u1ed7i, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 s\u1ebd b\u1ecb t\u1eafc ngh\u1ebdn tr\u1edf l\u1ea1i. Thay th\u1ebf l\u00e0 gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i h\u01a1n v\u00e0 th\u01b0\u1eddng l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o xe \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kh\u00ed th\u1ea3i.<\/p>\n\n\n\n
3. Gi\u1ea3i ph\u00e1p d\u1ecbch v\u1ee5 OEM so v\u1edbi d\u1ecbch v\u1ee5 h\u1eadu m\u00e3i<\/h3>\n\n\n\n
Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, c\u00e1c doanh nghi\u1ec7p c\u00f3 hai l\u1ef1a ch\u1ecdn ch\u00ednh: linh ki\u1ec7n OEM (Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c) ho\u1eb7c gi\u1ea3i ph\u00e1p h\u1eadu m\u00e3i. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c OEM gi\u1ed1ng h\u1ec7t v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i k\u00e8m v\u1edbi xe t\u1eeb nh\u00e0 m\u00e1y. Ch\u00fang \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o theo \u0111\u00fang th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kh\u00ed th\u1ea3i. Tuy nhi\u00ean, ch\u00fang th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u1eaft ti\u1ec1n h\u01a1n.<\/p>\n\n\n\n
B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ph\u1ee5 t\u00f9ng thay th\u1ebf l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf h\u1ee3p l\u00fd h\u01a1n. Ch\u00fang c\u00f3 hai lo\u1ea1i ch\u00ednh: lo\u1ea1i ph\u1ed5 th\u00f4ng v\u00e0 lo\u1ea1i l\u1eafp tr\u1ef1c ti\u1ebfp. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u1ed5 th\u00f4ng r\u1ebb h\u01a1n nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i h\u00e0n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 l\u1eafp \u0111\u1eb7t, m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 t\u1ed1n th\u1eddi gian. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u1ee5 t\u00f9ng l\u1eafp tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1eaft v\u00edt tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng x\u1ea3 c\u1ee7a xe, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa gi\u00e1 c\u1ea3 v\u00e0 t\u00ednh d\u1ec5 l\u1eafp \u0111\u1eb7t. \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u1ee5 t\u00f9ng ph\u1ee5 t\u00f9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 nhau; m\u1ed9t s\u1ed1 c\u00f3 th\u1ec3 kh\u00f4ng hi\u1ec7u qu\u1ea3 ho\u1eb7c b\u1ec1n l\u00e2u nh\u01b0 ph\u1ee5 t\u00f9ng OEM. \u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa OEM v\u00e0 ph\u1ee5 t\u00f9ng ph\u1ee5 t\u00f9ng th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u00e2n b\u1eb1ng chi ph\u00ed v\u1edbi nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i.<\/p>\n\n\n\n
B\u1ea3o v\u1ec7 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c c\u1ee7a xe b\u1ea1n<\/strong><\/h2>\n\n\n\nNg\u0103n ch\u1eb7n h\u00e0nh vi tr\u1ed9m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong><\/h3>\n\n\n\nDo c\u00f3 gi\u00e1 tr\u1ecb kim lo\u1ea1i qu\u00fd<\/strong> (ch\u1eb3ng h\u1ea1n nh\u01b0 rhodi<\/strong>, b\u1ea1ch kim<\/strong>, V\u00e0 paladi<\/strong>) b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, t\u00ecnh tr\u1ea1ng tr\u1ed9m c\u1eafp \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean \u0111\u00e1ng lo ng\u1ea1i. \u0110\u1ec3 b\u1ea3o v\u1ec7 xe c\u1ee7a b\u1ea1n, h\u00e3y c\u00e2n nh\u1eafc l\u1eafp \u0111\u1eb7t l\u00e1 ch\u1eafn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t kho\u0301a<\/strong>. \u0110\u00e1nh d\u1ea5u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a b\u1ea1n b\u1eb1ng m\u1ed9t m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 VIN c\u1ee7a xe<\/strong>, c\u0169ng c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n k\u1ebb tr\u1ed9m.<\/p>\n\n\n\n<\/p>\n\n\n\n
Bullet Point Summary:<\/h2>\n\n\n\n\n- \u0110\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1:<\/strong> M\u00e3 P0420 l\u00e0 d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng nh\u1ea5t cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111ang b\u1ecb h\u1ecfng.<\/li>\n\n\n\n
- C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t:<\/strong> H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn t\u00ecnh tr\u1ea1ng m\u1ea5t c\u00f4ng su\u1ea5t, kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c k\u00e9m v\u00e0 hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u gi\u1ea3m.<\/li>\n\n\n\n
- Ti\u1ebfng \u0111\u1ed9ng v\u00e0 m\u00f9i l\u1ea1:<\/strong> Ti\u1ebfng l\u1ea1ch c\u1ea1ch ho\u1eb7c m\u00f9i \u201ctr\u1ee9ng th\u1ed1i\u201d l\u00e0 nh\u1eefng d\u1ea5u hi\u1ec7u ch\u00ednh.<\/li>\n\n\n\n
- Ch\u1ea9n \u0111o\u00e1n l\u00e0 ch\u00eca kh\u00f3a:<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n chuy\u00ean nghi\u1ec7p v\u00e0 ki\u1ec3m tra \u00e1p su\u1ea5t ng\u01b0\u1ee3c \u0111\u1ec3 x\u00e1c nh\u1eadn v\u1ea5n \u0111\u1ec1.<\/li>\n\n\n\n
- V\u1ec7 sinh ho\u1eb7c thay th\u1ebf:<\/strong> V\u1ec7 sinh l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p cho m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1, nh\u01b0ng thay th\u1ebf th\u01b0\u1eddng l\u00e0 gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i h\u01a1n.<\/li>\n\n\n\n
- OEM so v\u1edbi H\u1eadu m\u00e3i:<\/strong> L\u1ef1a ch\u1ecdn gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn OEM \u0111\u1eaft ti\u1ec1n, \u0111\u00e1ng tin c\u1eady v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i h\u1eadu m\u00e3i gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n\n\n\n
<\/p>","protected":false},"excerpt":{"rendered":"
T\u00ecm hi\u1ec3u 7 tri\u1ec7u ch\u1ee9ng th\u01b0\u1eddng g\u1eb7p c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb h\u1ecfng, t\u1eeb \u0111\u1ed9ng c\u01a1 b\u1ecb n\u1ed5 kh\u00f4ng \u0111\u1ec1u \u0111\u1ebfn m\u00f9i h\u00f4i kh\u00f3 ch\u1ecbu. Ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ec3 tr\u00e1nh s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m v\u00e0 hi\u1ec7u su\u1ea5t k\u00e9m.<\/p>","protected":false},"author":1,"featured_media":3314,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[406,413,403,29,106,401,411,400,30,32,402,407,412,404,101,108,408,405,113,409,26,410],"class_list":["post-3309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-aftermarket","tag-automobile-exhaust","tag-carbon-monoxide","tag-catalyst","tag-catalytic-converter","tag-check-engine-light","tag-contamination","tag-emission","tag-exhaust","tag-exhaust-system","tag-hydrocarbon","tag-nitrogen-oxide","tag-oem","tag-p0420","tag-palladium","tag-platinum","tag-pollutant","tag-precious-metals","tag-rhodium","tag-thermal-shock","tag-three-way-catalytic-converter","tag-vehicle-emissions"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/comments?post=3309"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3309\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/3314"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=3309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=3309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=3309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}