{"id":3461,"date":"2025-08-15T01:37:55","date_gmt":"2025-08-15T09:37:55","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=3461"},"modified":"2025-08-15T02:11:52","modified_gmt":"2025-08-15T10:11:52","slug":"types-of-catalytic-converters-a-guide-to-oem-aftermarket-direct-fit","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/vi\/types-of-catalytic-converters-a-guide-to-oem-aftermarket-direct-fit\/","title":{"rendered":"C\u00e1c lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c: H\u01b0\u1edbng d\u1eabn v\u1ec1 OEM, H\u1eadu m\u00e3i & L\u1eafp tr\u1ef1c ti\u1ebfp"},"content":{"rendered":"

C\u00e1c\u00a0b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/a><\/strong>\u00a0l\u00e0 ng\u01b0\u1eddi h\u00f9ng th\u1ea7m l\u1eb7ng c\u1ee7a chi\u1ebfc xe c\u1ee7a b\u1ea1n\u00a0h\u1ec7 th\u1ed1ng x\u1ea3<\/a><\/strong>, m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng m\u1ec7t m\u1ecfi \u0111\u1ec3 gi\u1ea3m\u00a0\u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed<\/strong>\u00a0v\u00e0 \u0111\u1ea3m b\u1ea3o xe c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i\u00a0ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>Tuy nhi\u00ean, khi \u0111\u1ebfn l\u00fac c\u1ea7n thay th\u1ebf, nhi\u1ec1u ch\u1ee7 xe th\u1ea5y m\u00ecnh ph\u1ea3i loay hoay l\u1ef1a ch\u1ecdn gi\u1eefa v\u00f4 v\u00e0n l\u1ef1a ch\u1ecdn:\u00a0OEM<\/strong>,\u00a0h\u1eadu m\u00e3i<\/strong>,\u00a0v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/a><\/strong>, ph\u1ed5 qu\u00e1t\u2014l\u1ef1a ch\u1ecdn n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t? L\u1ef1a ch\u1ecdn sai\u00a0lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u00a0c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn gi\u1ea3m s\u00fat\u00a0hi\u1ec7u su\u1ea5t xe<\/strong>, m\u1ed9t \u201c \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ngki\u1ec3m tra \u0111\u1ed9ng c\u01a1<\/strong>\u201d \u00e1nh s\u00e1ng, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u1ed9t th\u1ea5t b\u1ea1i\u00a0kh\u00ed th\u1ea3i<\/strong>\u00a0ki\u1ec3m tra. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 c\u00e1c lo\u1ea1i kh\u00e1c nhau\u00a0b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, gi\u1ea3i th\u00edch c\u00f4ng ngh\u1ec7, \u01b0u, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng l\u00fd t\u01b0\u1edfng c\u1ee7a ch\u00fang, gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t ph\u00f9 h\u1ee3p v\u1edbi xe, ng\u00e2n s\u00e1ch v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao l\u1ea1i c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau?<\/h2>\n\n\n\n

b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong xe h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>. L\u00f5i ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m \u0111\u1ed9c h\u1ea1i t\u1eeb qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y c\u1ee7a \u0111\u1ed9ng c\u01a1 th\u00e0nh c\u00e1c ch\u1ea5t \u00edt g\u00e2y h\u1ea1i h\u01a1n<\/strong> th\u00f4ng qua m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/strong>. Khi \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong<\/strong> ho\u1ea1t \u0111\u1ed9ng, ch\u00fang t\u1ea1o ra m\u1ed9t s\u1ed1 ch\u1ea5t c\u00f3 h\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/strong> c\u00e1c lo\u1ea1i, ch\u1ee7 y\u1ebfu l\u00e0 cacbon monoxit<\/strong>, ch\u01b0a ch\u00e1y hydrocarbon<\/strong>, V\u00e0 nit\u01a1 oxit<\/strong>. C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111i\u1ec1u tr\u1ecb t\u00e1c h\u1ea1i n\u00e0y kh\u00ed<\/strong>. C\u00e1c gi\u1edbi thi\u1ec7u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 m\u1ed9t kho\u1ea3nh kh\u1eafc quan tr\u1ecdng trong \u00f4 t\u00f4<\/strong> l\u1ecbch s\u1eed.<\/p>\n\n\n\n

S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c lo\u1ea1i kh\u00e1c nhau b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 k\u1ebft qu\u1ea3 tr\u1ef1c ti\u1ebfp c\u1ee7a nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7, c\u00e1c quy \u0111\u1ecbnh ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t v\u00e0 nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng. Xe \u0111\u1eddi \u0111\u1ea7u kh\u00ed th\u1ea3i<\/strong> y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n, v\u00ec v\u1eady thi\u1ebft k\u1ebf c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> c\u0169ng c\u01a1 b\u1ea3n. Nh\u01b0 lu\u1eadt m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0110\u1ea1o lu\u1eadt Kh\u00f4ng kh\u00ed S\u1ea1ch<\/strong> \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0 m\u1ed1i quan t\u00e2m c\u1ee7a c\u00f4ng ch\u00fang v\u1ec1 \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed<\/strong> l\u1edbn l\u00ean, n\u00f3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a<\/strong> hi\u1ec7u qu\u1ea3 h\u01a1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. M\u1ed7i chuy\u00ean ng\u00e0nh ch\u00ednh nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/strong> v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ee5 t\u00f9ng li\u00ean t\u1ee5c \u0111\u1ed5 ngu\u1ed3n l\u1ef1c v\u00e0o nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, d\u1eabn \u0111\u1ebfn s\u1ef1 ti\u1ebfn h\u00f3a t\u1eeb m\u00f4 h\u00ecnh hai chi\u1ec1u sang m\u00f4 h\u00ecnh ba chi\u1ec1u, t\u1eeb m\u00f4 h\u00ecnh ban \u0111\u1ea7u sang h\u1eadu m\u00e3i<\/strong> c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 nhi\u1ec1u lo\u1ea1i l\u1eafp \u0111\u1eb7t kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c lo\u1ea1i xe kh\u00e1c nhau, lu\u1eadt ph\u00e1p khu v\u1ef1c v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n\n\n\n

B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c hai chi\u1ec1u ban \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, c\u00e1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c hai chi\u1ec1u<\/strong> xu\u1ea5t hi\u1ec7n, \u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. Nh\u01b0 t\u00ean g\u1ecdi c\u1ee7a n\u00f3, \u0111i\u1ec1u n\u00e0y \u201cb\u1ed9 chuy\u1ec3n \u0111\u1ed5i hai chi\u1ec1u<\/strong>\u201d ch\u1ee7 y\u1ebfu gi\u1ea3i quy\u1ebft hai ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i ch\u00ednh: cacbon monoxit<\/strong> V\u00e0 hydrocarbon<\/strong>. Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 d\u1ef1a tr\u00ean nguy\u00ean l\u00fd oxy h\u00f3a, chuy\u1ec3n \u0111\u1ed5i hai lo\u1ea1i kh\u00ed \u0111\u1ed9c h\u1ea1i n\u00e0y th\u00e0nh nh\u1eefng ch\u1ea5t \u00edt g\u00e2y h\u1ea1i h\u01a1n.<\/p>\n\n\n\n

B\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c hai chi\u1ec1u<\/strong>, M\u1ed9t ch\u1ea5t x\u00fac t\u00e1c<\/strong> ph\u1ee7 b\u1eb1ng kim lo\u1ea1i qu\u00fd<\/strong> gi\u1ed1ng b\u1ea1ch kim<\/strong> V\u00e0 paladi<\/strong> s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a kh\u00ed th\u1ea3i<\/strong> \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho ph\u1ea3n \u1ee9ng gi\u1eefa cacbon monoxit<\/strong> v\u00e0 oxy, s\u1ea3n xu\u1ea5t kh\u00ed cacbonic<\/strong>. \u0110\u1ed3ng th\u1eddi, n\u00f3 oxy h\u00f3a ph\u1ea7n ch\u01b0a ch\u00e1y hydrocarbon v\u00e0 carbon monoxide<\/strong> v\u00e0o trong carbon dioxide v\u00e0 n\u01b0\u1edbc<\/strong>. M\u1eb7c d\u00f9 \u0111\u00e2y l\u00e0 m\u1ed9t ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3 v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, nh\u01b0ng th\u1ef1c s\u1ef1 l\u00e0m gi\u1ea3m kh\u00ed th\u1ea3i carbon monoxide<\/strong> v\u00e0 \u00f4 nhi\u1ec5m hydrocarbon, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c hai chi\u1ec1u<\/strong> \u0111\u00e3 b\u1ea5t l\u1ef1c tr\u01b0\u1edbc nit\u01a1 oxit<\/strong>. Do \u0111\u00f3, nh\u01b0 ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> tr\u1edf n\u00ean nghi\u00eam ng\u1eb7t h\u01a1n, d\u1ea7n d\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn h\u01a1n.<\/p>\n\n\n\n

\u0110i\u1ec1u g\u00ec l\u00e0m cho b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i?<\/h2>\n\n\n\n

C\u00e1c\u00a0tb\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a><\/strong>\u00a0l\u00e0 ti\u00eau chu\u1ea9n cho c\u00e1c lo\u1ea1i xe ch\u1ea1y x\u0103ng hi\u1ec7n \u0111\u1ea1i v\u00e0 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn trong\u00a0\u00f4 t\u00f4<\/strong>\u00a0kh\u00ed th\u1ea3i<\/strong>\u00a0c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 ng\u01b0\u1eddi ti\u1ec1n nhi\u1ec7m hai chi\u1ec1u c\u1ee7a n\u00f3, m\u1ed9t\u00a0b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>\u00a0c\u00f3 th\u1ec3 x\u1eed l\u00fd \u0111\u1ed3ng th\u1eddi c\u1ea3 ba ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i ch\u00ednh. N\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch b\u1ed5 sung qu\u00e1 tr\u00ecnh kh\u1eed v\u00e0o ch\u1ee9c n\u0103ng oxy h\u00f3a c\u1ee7a phi\u00ean b\u1ea3n hai chi\u1ec1u. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng ch\u1ec9 chuy\u1ec3n \u0111\u1ed5i\u00a0cacbon monoxit th\u00e0nh cacbon dioxit<\/strong>\u00a0V\u00e0\u00a0hydrocarbon<\/strong>\u00a0v\u00e0o trong\u00a0carbon dioxide v\u00e0 h\u01a1i n\u01b0\u1edbc<\/strong>, nh\u01b0ng n\u00f3 c\u0169ng l\u00e0m gi\u1ea3m\u00a0nit\u01a1 oxit<\/strong>\u00a0tr\u1edf l\u1ea1i v\u00f4 h\u1ea1i\u00a0nit\u01a1 v\u00e0 oxy<\/strong>.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh thanh l\u1ecdc ba t\u00e1c \u0111\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p h\u01a1n ch\u1ea5t x\u00fac t\u00e1c<\/strong> c\u00f4ng th\u1ee9c. Ngo\u00e0i ra ch\u1ea5t x\u00fac t\u00e1c oxy h\u00f3a<\/strong> b\u1ea1ch kim<\/strong> V\u00e0 paladi<\/strong>, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ba chi\u1ec1u<\/strong> k\u1ebft h\u1ee3p rhodi<\/strong> nh\u01b0 m\u1ed9t s\u1ef1 gi\u1ea3m thi\u1ec3u ch\u1ea5t x\u00fac t\u00e1c<\/strong>. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh bao g\u1ed3m hai giai \u0111o\u1ea1n: \u0111\u1ea7u ti\u00ean, rhodium ch\u1ea5t x\u00fac t\u00e1c<\/strong> ph\u00e1 v\u1ee1 nit\u01a1 oxit<\/strong>, bu\u1ed9c n\u00f3 ph\u1ea3i gi\u1ea3i ph\u00f3ng oxy<\/strong>. Sau \u0111\u00f3, c\u00e1c ch\u1ea5t x\u00fac t\u00e1c b\u1ea1ch kim v\u00e0 pala\u0111i s\u1eed d\u1ee5ng oxy m\u1edbi \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng n\u00e0y, c\u00f9ng v\u1edbi b\u1ea5t k\u1ef3 oxy d\u01b0 th\u1eeba<\/strong> trong kh\u00ed th\u1ea3i<\/strong>, \u0111\u1ec3 oxy h\u00f3a cacbon monoxit<\/strong> V\u00e0 hydrocarbon<\/strong>. \u0110\u1ed1i v\u1edbi \u0111i\u1ec1u n\u00e0y s\u1ef1 kh\u1eed v\u00e0 s\u1ef1 oxy h\u00f3a<\/strong> \u0110\u1ec3 qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng \u1edf hi\u1ec7u su\u1ea5t cao nh\u1ea5t, t\u1ef7 l\u1ec7 kh\u00f4ng kh\u00ed-nhi\u00ean li\u1ec7u c\u1ee7a \u0111\u1ed9ng c\u01a1 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi c\u1ea3m bi\u1ebfn oxy<\/strong> gi\u00e1m s\u00e1t h\u00e0m l\u01b0\u1ee3ng oxy<\/strong> trong kh\u00ed th\u1ea3i<\/strong> v\u00e0 g\u1eedi ph\u1ea3n h\u1ed3i \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1. Do \u0111\u00f3, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong> l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a m\u1ed9t chi\u1ebfc xe hi\u1ec7n \u0111\u1ea1i tinh vi h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>.<\/p>\n\n\n\n

\"B\u1ed9<\/a>
B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c hai chi\u1ec1u so v\u1edbi ba chi\u1ec1u<\/a><\/figcaption><\/figure>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 gi\u1eefa b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c OEM v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ph\u1ee5 tr\u1ee3 l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Khi b\u1ea1n c\u1ea7n thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, b\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi hai l\u1ef1a ch\u1ecdn ch\u00ednh: OEM<\/strong> V\u00e0 h\u1eadu m\u00e3i<\/strong>. M\u1ed8T OEM<\/strong> (Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c) b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi nh\u00e0 s\u1ea3n xu\u1ea5t xe c\u1ee7a b\u1ea1n ho\u1eb7c nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n c\u1ee7a h\u1ecd. N\u00f3 gi\u1ed1ng h\u1ec7t v\u1ec1 m\u1ecdi m\u1eb7t v\u1edbi b\u1ed9 ph\u1eadn xe c\u1ee7a b\u1ea1n khi xu\u1ea5t x\u01b0\u1edfng. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a OEM<\/strong> C\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 v\u1eeba v\u1eb7n ho\u00e0n h\u1ea3o. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho hi\u1ec7u su\u1ea5t c\u1ee7a xe b\u1ea1n v\u00e0 kh\u00ed th\u1ea3i<\/strong> y\u00eau c\u1ea7u v\u00e0 ch\u1ee9a \u0111\u1ee7 t\u1ea3i tr\u1ecdng kim lo\u1ea1i qu\u00fd<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t \u1ed5n \u0111\u1ecbnh, l\u00e2u d\u00e0i kh\u00ed th\u1ea3i xe c\u1ed9<\/strong>Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng n\u00e0y ph\u1ea3i tr\u1ea3 gi\u00e1, khi\u1ebfn OEM<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u1ef1a ch\u1ecdn \u0111\u1eaft nh\u1ea5t.<\/p>\n\n\n\n

M\u1ed8T b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i<\/strong>, m\u1eb7t kh\u00e1c, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi m\u1ed9t c\u00f4ng ty b\u00ean th\u1ee9 ba \u0111\u1ec3 thay th\u1ebf cho OEM<\/strong> ph\u1ea7n. S\u1ef1 h\u1ea5p d\u1eabn ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 m\u1ee9c gi\u00e1 th\u01b0\u1eddng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi OEM<\/strong> t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. \u0110\u1ec3 c\u1eaft gi\u1ea3m chi ph\u00ed, m\u1ed9t s\u1ed1 lo\u1ea1i r\u1ebb h\u01a1n h\u1eadu m\u00e3i<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> c\u00f3 th\u1ec3 ch\u1ee9a \u00edt h\u01a1n kim lo\u1ea1i qu\u00fd c\u00f3 gi\u00e1 tr\u1ecb<\/strong>, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 thanh l\u1ecdc th\u1ea5p h\u01a1n, tu\u1ed5i th\u1ecd ng\u1eafn h\u01a1n v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t \u201c\u0111\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1<\/strong>\u201d ngay sau khi c\u00e0i \u0111\u1eb7t. \u0110i\u1ec1u \u0111\u00f3 n\u00f3i r\u1eb1ng, nhi\u1ec1u uy t\u00edn h\u1eadu m\u00e3i<\/strong> th\u01b0\u01a1ng hi\u1ec7u s\u1ea3n xu\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng cao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u0169ng l\u00e0<\/strong> c\u00f3 s\u1eb5n \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 y\u00eau c\u1ea7u v\u1ec1 kh\u00ed th\u1ea3i<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3<\/strong>, mang l\u1ea1i gi\u00e1 tr\u1ecb tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n

\u0110\u1ec3 l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng, t\u00f4i c\u00f3 n\u00ean ch\u1ecdn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u1eafp tr\u1ef1c ti\u1ebfp kh\u00f4ng?<\/h2>\n\n\n\n

Trong v\u00f2ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i<\/strong> th\u1ec3 lo\u1ea1i, b\u1ea1n c\u0169ng s\u1ebd c\u1ea7n ph\u1ea3i quy\u1ebft \u0111\u1ecbnh gi\u1eefa m\u1ed9t v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong> v\u00e0 m\u1ed9t m\u00f4 h\u00ecnh ph\u1ed5 qu\u00e1t. A b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u1eafp tr\u1ef1c ti\u1ebfp<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi OEM<\/strong> ph\u1ee5 t\u00f9ng tr\u00ean m\u1ed9t m\u1eabu xe c\u1ee5 th\u1ec3, bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c m\u1eb7t b\u00edch, \u1ed1ng u\u1ed1n cong v\u00e0 m\u00f3c treo. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng, th\u01b0\u1eddng ch\u1ec9 c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 c\u01a1 b\u1ea3n \u0111\u1ec3 th\u00e1o c\u1ee5m c\u0169 v\u00e0 l\u1eafp c\u1ee5m m\u1edbi v\u00e0o, kh\u00f4ng c\u1ea7n c\u1eaft hay h\u00e0n.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft ch\u1ee7 xe v\u00e0 b\u1ea5t k\u1ef3 chuy\u00ean gia n\u00e0o c\u1eeda h\u00e0ng s\u1eeda ch\u1eefa<\/strong>, c\u00e1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u1eafp tr\u1ef1c ti\u1ebfp<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean. N\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 kh\u00f3 v\u00e0 th\u1eddi gian l\u1eafp \u0111\u1eb7t, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u00e2n c\u00f4ng. N\u00f3 c\u0169ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 k\u00edn kh\u00edt ho\u00e0n h\u1ea3o v\u00e0 l\u1eafp \u0111\u1eb7t ch\u1eafc ch\u1eafn, lo\u1ea1i b\u1ecf nguy c\u01a1 kh\u00ed th\u1ea3i<\/strong> r\u00f2 r\u1ec9 c\u00f3 th\u1ec3 x\u1ea3y ra do h\u00e0n kh\u00f4ng \u0111\u00fang c\u00e1ch. Trong khi m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u1eafp tr\u1ef1c ti\u1ebfp<\/strong> B\u1ea3n th\u00e2n n\u00f3 c\u00f3 th\u1ec3 \u0111\u1eaft h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi lo\u1ea1i th\u00f4ng d\u1ee5ng, nh\u01b0ng s\u1ef1 ti\u1ec7n l\u1ee3i, \u0111\u1ed9 tin c\u1eady v\u00e0 s\u1ef1 an t\u00e2m m\u00e0 n\u00f3 mang l\u1ea1i th\u01b0\u1eddng khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 h\u1ee3p l\u00fd h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea t\u1ef1 l\u00e0m ho\u1eb7c nh\u1eefng ng\u01b0\u1eddi c\u1ea7n s\u1eeda ch\u1eefa nhanh ch\u00f3ng.<\/p>\n\n\n\n

Khi n\u00e0o B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111a n\u0103ng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t?<\/h2>\n\n\n\n

M\u1ed9t ph\u1ed5 qu\u00e1t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m ti\u00eau chu\u1ea9n h\u00f3a, kh\u00f4ng d\u00e0nh ri\u00eang cho xe c\u1ed9. N\u00f3 th\u01b0\u1eddng ch\u1ec9 bao g\u1ed3m ph\u1ea7n l\u00f5i c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, v\u1edbi \u1ed1ng d\u1eabn th\u1eb3ng v\u00e0o v\u00e0 ra. K\u1ef9 thu\u1eadt vi\u00ean l\u1eafp \u0111\u1eb7t ph\u1ea3i c\u1eaft, \u0111\u1ecbnh v\u1ecb v\u00e0 h\u00e0n b\u1ed9 ph\u1eadn n\u00e0y v\u00e0o h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3 c\u1ee7a xe b\u1ea1n. h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>, \u0111i\u1ec1u ch\u1ec9nh n\u00f3 cho ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng k\u00ednh v\u00e0 b\u1ed1 c\u1ee5c \u1ed1ng. T\u00ednh linh ho\u1ea1t n\u00e0y cho ph\u00e9p n\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho nhi\u1ec1u lo\u1ea1i xe, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c m\u1eabu xe c\u0169 ho\u1eb7c hi\u1ebfm h\u01a1n, n\u01a1i c\u00f3 m\u1ed9t b\u1ed9 ph\u1eadn chuy\u00ean d\u1ee5ng v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong> m\u1ed9t ph\u1ea7n c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n n\u1eefa.<\/p>\n\n\n\n

L\u00fd do ch\u00ednh \u0111\u1ec3 ch\u1ecdn m\u1ed9t ph\u1ed5 qu\u00e1t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 chi ph\u00ed linh ki\u1ec7n c\u1ef1c k\u1ef3 th\u1ea5p c\u1ee7a n\u00f3; n\u00f3 th\u01b0\u1eddng l\u00e0 r\u1ebb nh\u1ea5t lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> tr\u00ean th\u1ecb tr\u01b0\u1eddng. Tuy nhi\u00ean, kho\u1ea3n ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c t\u1eeb b\u1ed9 ph\u1eadn n\u00e0y th\u01b0\u1eddng b\u1ecb b\u00f9 \u0111\u1eafp b\u1edfi chi ph\u00ed nh\u00e2n c\u00f4ng t\u0103ng l\u00ean. L\u1eafp \u0111\u1eb7t m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/strong> l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng cao, ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o kinh nghi\u1ec7m v\u00e0 tay ngh\u1ec1 c\u1ee7a k\u1ef9 thu\u1eadt vi\u00ean. N\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n k\u00e9m, n\u00f3 d\u1ec5 d\u1eabn \u0111\u1ebfn kh\u00ed th\u1ea3i<\/strong> r\u00f2 r\u1ec9 ho\u1eb7c c\u0103n ch\u1ec9nh kh\u00f4ng \u0111\u00fang c\u00e1ch. Do \u0111\u00f3, m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nh\u1eefng t\u00ecnh hu\u1ed1ng c\u00f3 ng\u00e2n s\u00e1ch r\u1ea5t eo h\u1eb9p, n\u01a1i m\u00e0 m\u1ed9t ng\u01b0\u1eddi c\u00f3 tay ngh\u1ec1 kh\u00ed th\u1ea3i<\/strong> chuy\u00ean gia c\u00f3 s\u1eb5n, ho\u1eb7c t\u00f9y ch\u1ec9nh h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o.<\/p>\n\n\n\n

Ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn l\u1ef1a ch\u1ecdn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a t\u00f4i?<\/h2>\n\n\n\n

Ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 ph\u00e1p l\u00fd quan tr\u1ecdng c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. \u1ede Hoa K\u1ef3, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n li\u00ean bang do C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng<\/strong> (EPA). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea5t k\u1ef3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i<\/strong> b\u1ea1n mua v\u00e0 l\u1eafp \u0111\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn EPA \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 c\u00f3 \u0111\u1ee7 kh\u00ed th\u1ea3i<\/strong> kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t. N\u1ebfu kh\u00f4ng l\u00e0m nh\u01b0 v\u1eady c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra kh\u00f4ng th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n

Tuy nhi\u00ean, m\u1ed9t s\u1ed1 ti\u1ec3u bang \u0111\u00e3 thi\u1ebft l\u1eadp c\u00e1c quy \u0111\u1ecbnh th\u1eadm ch\u00ed c\u00f2n nghi\u00eam ng\u1eb7t h\u01a1n m\u1ee9c c\u01a1 s\u1edf c\u1ee7a li\u00ean bang, n\u1ed5i ti\u1ebfng nh\u1ea5t l\u00e0 California. C\u00e1c ti\u00eau chu\u1ea9n do H\u00e0ng kh\u00f4ng California<\/strong> \u1ee6y ban T\u00e0i nguy\u00ean (CARB) \u0111\u01b0\u1ee3c coi l\u00e0 c\u01a1 quan nghi\u00eam ng\u1eb7t nh\u1ea5t c\u1ea3 n\u01b0\u1edbc. Do \u0111\u00f3, t\u1ea1i California v\u00e0 c\u00e1c ti\u1ec3u bang kh\u00e1c \u0111\u00e3 \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n CARB (nh\u01b0 New York v\u00e0 Maine), b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng tu\u00e2n th\u1ee7 CARB. b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. Nh\u1eefng c\u00e1i n\u00e0y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/strong> th\u01b0\u1eddng ch\u1ee9a t\u1ea3i tr\u1ecdng cao h\u01a1n kim lo\u1ea1i qu\u00fd<\/strong> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng th\u1ea5p h\u01a1n kh\u00ed th\u1ea3i<\/strong> gi\u1edbi h\u1ea1n v\u00e0 do \u0111\u00f3 \u0111\u1eaft h\u01a1n. Tr\u01b0\u1edbc khi mua h\u00e0ng, b\u1ea1n ph\u1ea3i x\u00e1c minh xem b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> b\u1ea1n ch\u1ecdn (m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c li\u00ean bang<\/strong> ho\u1eb7c tu\u00e2n th\u1ee7 CARB) \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ph\u00e1p l\u00fd c\u1ee7a khu v\u1ef1c b\u1ea1n.<\/p>\n\n\n\n

\u0110\u1ed9ng c\u01a1 Diesel c\u00f3 s\u1eed d\u1ee5ng lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u1eb7c bi\u1ec7t kh\u00f4ng?<\/h2>\n\n\n\n

V\u00e2ng, \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel kh\u00ed th\u1ea3i<\/strong> kh\u00e1c v\u1edbi \u0111\u1ed9ng c\u01a1 x\u0103ng, v\u00ec v\u1eady ch\u00fang \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd sau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho ch\u00fang. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh trong d\u1ea7u diesel kh\u00ed th\u1ea3i<\/strong>, ngo\u00e0i ra nit\u01a1 oxit<\/strong> V\u00e0 cacbon monoxit<\/strong>, bao g\u1ed3m m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt ch\u1ea5t d\u1ea1ng h\u1ea1t (b\u1ed3 h\u00f3ng). K\u1ebft qu\u1ea3 l\u00e0, d\u1ea7u diesel h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> n\u00f3i chung l\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n\n\n\n

C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xe diesel \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Ch\u1ea5t x\u00fac t\u00e1c oxy h\u00f3a Diesel (DOC). Ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea5t x\u00fac t\u00e1c oxy h\u00f3a<\/strong> trong m\u1ed9t chi\u1ebfc xe ch\u1ea1y b\u1eb1ng x\u0103ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/strong>, ch\u1ee7 y\u1ebfu l\u00e0 chuy\u1ec3n \u0111\u1ed5i cacbon monoxit<\/strong> V\u00e0 hydrocarbon<\/strong> v\u00e0o trong kh\u00ed cacbonic<\/strong> V\u00e0 N\u01b0\u1edbc<\/strong>Tuy nhi\u00ean, \u0111\u1ec3 x\u1eed l\u00fd b\u1ee5i m\u1ecbn, xe ch\u1ea1y b\u1eb1ng d\u1ea7u diesel c\u0169ng \u0111\u01b0\u1ee3c trang b\u1ecb B\u1ed9 l\u1ecdc b\u1ee5i diesel (DPF), n\u1eb1m sau DOC \u0111\u1ec3 gi\u1eef l\u1ea1i v\u00e0 \u0111\u1ed1t ch\u00e1y mu\u1ed9i than. H\u01a1n n\u1eefa, \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng l\u1edbn b\u1ee5i m\u1ecbn nit\u01a1 oxit<\/strong> \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi \u0111\u1ed9ng c\u01a1 diesel, nhi\u1ec1u xe diesel hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng Gi\u1ea3m x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc (SCR), h\u1ec7 th\u1ed1ng n\u00e0y phun ch\u1ea5t l\u1ecfng x\u1ea3 diesel (nh\u01b0 AdBlue) \u0111\u1ec3 trung h\u00f2a nit\u01a1 oxit<\/strong>. V\u00ec v\u1eady, d\u1ea7u diesel kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111a th\u00e0nh ph\u1ea7n, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>.<\/p>\n\n\n\n

Lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0o mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd t\u1ed1t nh\u1ea5t?<\/h2>\n\n\n\n

T\u1eeb quan \u0111i\u1ec3m hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd thu\u1ea7n t\u00fay, B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c OEM<\/strong> n\u00f3i chung l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c t\u1ed1t nh\u1ea5t<\/strong>. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/strong> \u0111\u1ea7u t\u01b0 \u0111\u00e1ng k\u1ec3 v\u00e0o nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ec3 thi\u1ebft k\u1ebf OEM<\/strong> c\u00e1c b\u1ed9 ph\u1eadn ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch v\u1edbi h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> trong su\u1ed1t tu\u1ed5i th\u1ecd d\u1ef1 ki\u1ebfn c\u1ee7a xe. Vi\u1ec7c t\u1ea3i kim lo\u1ea1i c\u00f3 gi\u00e1 tr\u1ecb<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 ch\u1ea5t x\u00fac t\u00e1c<\/strong> \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t l\u1ecdc \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh. \u0110\u1ed9 b\u1ec1n c\u1ee7a v\u1ecf m\u00e1y v\u00e0 c\u1ea5u tr\u00fac b\u00ean trong c\u0169ng \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 t\u1ea5t c\u1ea3 h\u1eadu m\u00e3i<\/strong> s\u1ea3n ph\u1ea9m k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. Nhi\u1ec1u s\u1ea3n ph\u1ea9m h\u00e0ng \u0111\u1ea7u h\u1eadu m\u00e3i<\/strong> th\u01b0\u01a1ng hi\u1ec7u s\u1ea3n xu\u1ea5t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u1eafp tr\u1ef1c ti\u1ebfp<\/strong> c\u00f3 th\u1ec3 s\u00e1nh ngang OEM<\/strong> s\u1ea3n ph\u1ea9m v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd, \u0111\u00f4i khi th\u1eadm ch\u00ed c\u00f2n cung c\u1ea5p ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh d\u00e0i h\u01a1n. Nh\u1eefng s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao n\u00e0y h\u1eadu m\u00e3i<\/strong> c\u00e1c b\u1ed9 ph\u1eadn c\u0169ng s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u cao c\u1ea5p v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ee7 kim lo\u1ea1i qu\u00fd<\/strong>v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t OEM<\/strong> th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. Ng\u01b0\u1ee3c l\u1ea1i, ph\u1ed5 th\u00f4ng gi\u00e1 r\u1ebb ho\u1eb7c c\u1ea5p th\u1ea5p b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i<\/strong> c\u00f3 th\u1ec3 c\u1eaft gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng kim lo\u1ea1i qu\u00fd<\/strong> v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed. \u0110i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang, khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb h\u1ecfng h\u01a1n, l\u00e0m h\u1ecfng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>v\u00e0 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c hi\u1ec7u su\u1ea5t xe<\/strong>.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c t\u1ed1t nh\u1ea5t cho xe c\u1ee7a t\u00f4i?<\/h2>\n\n\n\n

L\u1ef1a ch\u1ecdn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c t\u1ed1t nh\u1ea5t<\/strong> Vi\u1ec7c l\u1ef1a ch\u1ecdn xe c\u1ee7a b\u1ea1n \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n nh\u1eafc c\u00e2n b\u1eb1ng gi\u1eefa nhi\u1ec1u y\u1ebfu t\u1ed1. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u ph\u00e1p l\u00fd t\u1ea1i khu v\u1ef1c c\u1ee7a b\u1ea1n. H\u00e3y x\u00e1c \u0111\u1ecbnh xem ti\u1ec3u bang c\u1ee7a b\u1ea1n c\u00f3 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n EPA li\u00ean bang hay c\u00e1c ti\u00eau chu\u1ea9n CARB nghi\u00eam ng\u1eb7t h\u01a1n hay kh\u00f4ng, v\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd ngay l\u1eadp t\u1ee9c thu h\u1eb9p c\u00e1c l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng, v\u00ec l\u1eafp \u0111\u1eb7t sai b\u1ed9 ph\u1eadn s\u1ebd d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c. kh\u00ed th\u1ea3i<\/strong> B\u00e0i ki\u1ec3m tra.<\/p>\n\n\n\n

B\u01b0\u1edbc th\u1ee9 hai l\u00e0 l\u1ef1a ch\u1ecdn gi\u1eefa OEM<\/strong> V\u00e0 h\u1eadu m\u00e3i<\/strong> d\u1ef1a tr\u00ean ng\u00e2n s\u00e1ch v\u00e0 k\u1ef3 v\u1ecdng v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n c\u00f3 ng\u00e2n s\u00e1ch v\u00e0 mu\u1ed1n ch\u1ea5t l\u01b0\u1ee3ng linh ki\u1ec7n g\u1ed1c, B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c OEM<\/strong> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i l\u1eafp tr\u1ef1c ti\u1ebfp<\/strong> t\u1eeb m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn, tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng. Lu\u00f4n lu\u00f4n n\u00ean \u0111\u1ecdc \u0111\u00e1nh gi\u00e1 t\u1eeb nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00e1c v\u00e0 th\u1ee3 m\u00e1y chuy\u00ean nghi\u1ec7p tr\u01b0\u1edbc khi mua.<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean chuy\u00ean nghi\u1ec7p \u0111\u00e1ng tin c\u1eady. H\u1ecd c\u00f3 th\u1ec3 \u0111\u01b0a ra l\u1eddi khuy\u00ean chuy\u00ean m\u00f4n d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng c\u1ee5 th\u1ec3, n\u0103m s\u1ea3n xu\u1ea5t v\u00e0 s\u1ed1 km \u0111\u00e3 \u0111i c\u1ee7a xe b\u1ea1n. H\u1ecd am hi\u1ec3u v\u1ec1 uy t\u00edn c\u1ee7a nhi\u1ec1u th\u01b0\u01a1ng hi\u1ec7u kh\u00e1c nhau v\u00e0 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn gi\u1eefa vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng. v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong> ho\u1eb7c lo\u1ea1i ph\u1ed5 th\u00f4ng ti\u1ebft ki\u1ec7m h\u01a1n trong nh\u1eefng t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 t\u01b0 v\u1ea5n chuy\u00ean nghi\u1ec7p, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn th\u00f4ng minh v\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t cho xe c\u1ee7a m\u00ecnh, \u0111\u1ea3m b\u1ea3o xe v\u1eadn h\u00e0nh s\u1ea1ch s\u1ebd trong nhi\u1ec1u n\u0103m t\u1edbi v\u00e0 gi\u1ea3m thi\u1ec3u nguy c\u01a1 tr\u1ed9m c\u1eafp<\/strong> b\u1eb1ng c\u00e1ch gi\u1eef cho xe c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n

Nh\u1eefng \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n nh\u1edb:<\/h3>\n\n\n\n
    \n
  • Nhi\u1ec1u lo\u1ea1i:<\/strong>\u00a0S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a\u00a0b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u00a0\u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi s\u1ef1 leo thang\u00a0kh\u00ed th\u1ea3i<\/strong>\u00a0c\u00e1c quy \u0111\u1ecbnh v\u00e0 nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/li>\n\n\n\n
  • Ba chi\u1ec1u l\u00e0 ti\u00eau chu\u1ea9n:<\/strong>\u00a0Xe \u00f4 t\u00f4 ch\u1ea1y x\u0103ng hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng\u00a0b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>\u00a0\u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb\u00a0cacbon monoxit<\/strong>,\u00a0hydrocarbon<\/strong>, V\u00e0\u00a0oxit nit\u01a1<\/strong>\u00a0\u0111\u1ed3ng th\u1eddi.<\/li>\n\n\n\n
  • OEM so v\u1edbi H\u1eadu m\u00e3i:<\/strong>\u00a0OEM<\/strong>\u00a0c\u00e1c b\u1ed9 ph\u1eadn cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng ban \u0111\u1ea7u v\u00e0 ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi gi\u00e1 cao; ch\u1ea5t l\u01b0\u1ee3ng cao\u00a0h\u1eadu m\u00e3i<\/strong>\u00a0c\u00e1c b\u1ed9 ph\u1eadn l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li>\n\n\n\n
  • Ph\u00f9 h\u1ee3p tr\u1ef1c ti\u1ebfp so v\u1edbi ph\u1ed5 th\u00f4ng:<\/strong>\u00a0Ph\u00f9 h\u1ee3p tr\u1ef1c ti\u1ebfp<\/strong>\u00a0d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho h\u1ea7u h\u1ebft c\u00e1c t\u00ecnh hu\u1ed1ng; c\u00e1c b\u1ed9 ph\u1eadn ph\u1ed5 th\u00f4ng r\u1ebb h\u01a1n nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i h\u00e0n t\u00f9y ch\u1ec9nh v\u00e0 nhi\u1ec1u nh\u00e2n c\u00f4ng h\u01a1n.<\/li>\n\n\n\n
  • Quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c:<\/strong>\u00a0B\u1ea1n ph\u1ea3i x\u00e1c nh\u1eadn r\u1eb1ng\u00a0b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u00a0tu\u00e2n th\u1ee7 theo quy \u0111\u1ecbnh c\u1ee7a ti\u1ec3u bang b\u1ea1n\u00a0ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>\u00a0(EPA ho\u1eb7c CARB) tr\u01b0\u1edbc khi mua.<\/li>\n\n\n\n
  • H\u1ec7 th\u1ed1ng Diesel kh\u00e1c bi\u1ec7t:<\/strong>\u00a0Xe ch\u1ea1y b\u1eb1ng d\u1ea7u diesel s\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p bao g\u1ed3m DOC v\u00e0 DPF \u0111\u1ec3 ki\u1ec3m so\u00e1t\u00a0kh\u00ed th\u1ea3i<\/strong>, kh\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng ch\u1ea1y b\u1eb1ng x\u0103ng.<\/li>\n\n\n\n
  • Ch\u1ea5t l\u01b0\u1ee3ng quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd:<\/strong>\u00a0B\u1ea5t k\u1ec3 lo\u1ea1i n\u00e0o, s\u1ed1 l\u01b0\u1ee3ng\u00a0kim lo\u1ea1i qu\u00fd<\/strong>\u00a0trong\u00a0ch\u1ea5t x\u00fac t\u00e1c<\/strong>\u00a0v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t l\u00e0 ch\u00eca kh\u00f3a cho hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    Confused by catalytic converter types? Our guide explains OEM vs. aftermarket and direct-fit vs. universal to help you choose the right one for your vehicle’s needs.<\/p>","protected":false},"author":1,"featured_media":3468,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[544,556,106,440,498,557,555,550,26,554,441],"class_list":["post-3461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-aftermarket-catalytic-converter","tag-carb-compliant-catalytic-converter","tag-catalytic-converter","tag-direct-fit-catalytic-converter","tag-emission-standards","tag-exhaust-system-parts","tag-how-to-choose-catalytic-converter","tag-oem-catalytic-converter","tag-three-way-catalytic-converter","tag-types-of-catalytic-converters","tag-universal-catalytic-converter"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3461","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=3461"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3461\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/3468"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=3461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=3461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=3461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}