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Home >> Ford >> 2001 >> Excursion 5.4 L, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1848 (Exhaust System) >> Description And Operation >> Exhaust System >> Catalytic Converter >> Notes
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Catalytic Converter: Notes

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The catalytic converter plays a major role in the emission control system. The catalytic converter operates as a gas reactor. Its catalytic function is to speed the heat-producing chemical reaction of components in the exhaust gases in order to reduce air pollutants.

The catalyst material inside the catalytic converter consists of a ceramic substrate.