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:

Piston Installation
If the Crankshaft is Already Installed Set the crankshaft to bottom dead center (BDC) for each cylinder as its piston is installed. Remove the connecting rod caps, and check that ...

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Fuel Information
■ Fuel recomme Unleaded gasoline, pump octane number 87 or higher Use of lower octane gasoline can cause a persistent, heavy metallic knocking noise that can lead to engine damage. ■ ...