Honda Fit: Fuel and Emissions System Description - Catalytic Converter System

Catalytic Converter   System

Warm Up Three Way Catalytic Converter   (WU-TWC) and Under-floor Three Way Catalytic Converter (Under-floor TWC)

The WU-TWC and the under-floor TWC convert hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.

WU-TWC (ATTACHED TO THE CYLINDER HEAD)

UNDER-FLOOR TWC

See also:

Battery
WARNING The battery gives off explosive hydrogen gas during normal operation. A spark or flame can cause the battery to explode with enough force to kill or seriously hurt you. When conducti ...

Installation
Install ECT sensor 1 (A) with a new O-ring (B). Install the water bypass hose (C). Remove all of the old liquid gasket from the water outlet mating surfaces, the bolts ...

Combination Light Switch Test/Replacement
Remove the steering column covers. Disconnect the 12P connector (A) from the combination light switch (B). @font-face{font-family: "Honda_Symb ...