181. 触媒コンバーター
触媒コンバーターは、車両の排気系統に装備される排出ガス制御装置です。化学反応によって有害な排気汚染物質を、より有害性の低い物質へ変換してから大気へ放出します。
エンジンとシステムにより、一酸化炭素、未燃焼炭化水素、窒素酸化物などを低減します。効果的に作動するには適切な温度が必要で、汚染、過熱、エンジン故障で損傷することがあります。
What does a catalytic converter do?
A catalytic converter reduces harmful pollutants in engine exhaust by converting them through chemical reactions into less harmful substances before they leave the exhaust system.
Where is the catalytic converter located?
It is installed in the exhaust system between the engine and the exhaust outlet. Its exact position varies between vehicles and may be relatively close to the engine so that it reaches its operating temperature quickly.
What are signs of a faulty catalytic converter?
Possible signs include an emissions or engine warning light, excessive exhaust emissions, reduced engine performance, unusual exhaust smells or failure of an emissions test. These symptoms can also have other causes and should be diagnosed properly.

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