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:

Removal (Part -1)
Do the battery terminal disconnection procedure. Raise and support the vehicle. Remove the front wheels. Tilt the steering column all the way up and mov ...

CMP Pulse Plate Removal and Installation
Removal Remove the air cleaner. Remove the intake manifold chamber. Disconnect the following engine wire harness connectors, and remove the wire harness clamps ...

Side Vent
Click here for an interactive version of this procedure (driver's, passenger's). NOTE: Take care not to scratch the dashboard or its related parts. Pull the upper portion (A) of the s ...