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:

Safety Labels
Label Locations These labels are in the locations shown. They warn you of potential hazards that can cause serious injury or death. Read these labels carefully. If a label comes off o ...

Wiper Arm Replacement
NOTE: Set the wiper arms to the auto-stop position before removal and installation. Windshield NOTE: Always pull up the driver's side wiper blade first. Remove the caps, the nuts, and t ...

Gearing Up for Adventure with Subaru Outback old but proven 2.0L Diesel
With a plethora of engine and transmission combinations available in the 2024 Outback, we'll delve into the option most likely to resonate with the adventurous spirit: the 2.0L turbo diesel paired w ...