- The catalyst is an anti-pollution device.
- Its main function is to reduce the polluting gases produced by combustion, hydrocarbons (HC), nitrogen oxides (NOx) and carbon monoxide (CO), by transforming them, through chemical reactions, into substances harmless to the atmosphere. and the human being.
- The exhaust is subjected to a rigorous examination during the technical control. In addition, an exhaust in poor condition can be subject to costly verbalization and mandatory repair.
- In case of :
Opaque smoke from the exhaust
Abnormal metallic clicking noise under the vehicle, especially when starting: a sign of poor fastening or a pierced element.
- Having a catalyst in good condition means:
Preserve the engine and improve its performance (a clogged catalyst induces a lack of power during acceleration and an engine that stalls frequently)
Reduce fuel consumption and the emission of pollutants
