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:

Air Cleaner Removal/Installation
Disconnect the MAF sensor/IAT sensor connector(A), then remove the air cleaner cover (B) and the air cleaner element (C). NOTE: Be careful not to damage the MAF sensor/IAT sensor on the air ...

Resolving Problems
If you run into a specific issue that you cannot resolve, consult the following help resources: • For navigation system issues: There are also FAQs available online at automobiles.honda.com. â ...

Fuel Economy
Actual Mileage and EPA Fuel Economy Estimates Comparison. Fuel economy is not a fixed number. It varies based on driving conditions, driving habits and vehicle condition. Therefore, it is not possi ...