Cov pa tawm ntawm lub tsheb muaj peb qhov tseem ceeb: lub taub hau, nruab nrab, thiab tus Tsov tus tw. Tshwj xeeb, nws pib ntu yog lub tso tawm manifold, ua raws li cov chassis, thiab lub davhlau ya nyob twg uas nyob ze rau tom qab bumper. Hauv tag nrho cov kab ke no, ib qho muffler tseem raug teeb tsa kom zoo dua cov suab nrov tsim tawm thaum lub zog.
Ntawm lub sab tsim tawm, muaj peb-txoj kev catalytic converter. Cov haujlwm tseem ceeb ntawm cov cuab yeej no yog txhawm rau txhawm rau cov ntsiab lus ntawm cov tshuaj tsis zoo hauv cov pa tawm hauv cov pa thiab ua rau kev tiv thaiv ib puag ncig. Thaum lub hood tau qhib, nws tuaj yeem pom meej meej tias lub tso tawm manifold nyob rau hauv lub cav compartment. Tsis tas li ntawd, muaj ob lub tsom iav cov pa oxygen ntsia rau ntawm lub sab tsim tawm, ib qho ua ntej thiab lwm yam tom qab peb-txoj kev catalytic converter. Cov sensors no tuaj yeem pom qhov tseeb oxygen concentration hauv cov pa roj cua thiab pub cov ntaub ntawv no rov qab mus rau chav tsev hluav taws xob tswj hwm (ECU). Raws li cov lus qhia tawm tswv yim no, EPU tuaj yeem hloov kho cov pa roj-roj sib xyaw raws li.
Nws tsim nyog teev tias cov pa sensor nyob tom qab peb-txoj kev catalytic converter muaj lub luag haujlwm tseem ceeb ntawm kev soj ntsuam cov haujlwm ntawm catalytic converter. Yog tias cov ntaub ntawv xa los ntawm ob lub ntsuas pa oxygen rau EPU yog sib xws, qhov no feem ntau txhais tau tias peb-txoj kev ua tsis tiav, thiab qhov kev txhaum qhia tau lub teeb ntawm lub tsheb dashboard yuav taws.
Thaum peb-txoj kev catalytic converter pom tias ua tsis tiav, nws yuav tsum tau hloov nyob rau lub sijhawm, txwv tsis pub nws yuav ua tsis tau kev kuaj xyuas txhua xyoo thiab cuam tshuam rau lub cav. Qee tus tswv tsheb tuaj yeem xaiv tshem peb txoj kev cat-way catalter, tab sis qhov kev coj ua no yuav tsis tsuas yog cuam tshuam rau lub cav kev ua tau zoo, tab sis kuj ua rau cov pa tawm kom ua kom tsw ntxhiab. Tsis tas li ntawd, cov pa tawm cov pa kuj xav tau kev tu ib txwm thiab saib xyuas kom nws ua haujlwm ib txwm muaj.
