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:

Audio Commands
The system accepts these commands on most screens. Audio* Audio on Audio off * These commands toggle the function on and off, so the command may not match your intended action. NOTE: Audio vo ...

DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle meet all U.S. Federal Safety Requirements. All tires are also graded for treadwear, traction, and temperature performance according to Department of Transportation (DOT) s ...

Driving Preparation
Check the following items before you start driving. Exterior Checks • Make sure there are no obstructions on the windows, door mirrors, exterior lights, or other parts of the vehicle. ► Re ...