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:

Maintenance Safety
All service items not detailed in this section should be performed by a certified technician or other qualified mechanic. Important Safety Precautions To eliminate potential hazards, read the inst ...

Engine Coolant
Specified coolant: Honda Long Life Antifreeze/Coolant Type 2 This coolant is premixed with 50% antifreeze and 50% water. Do not add any straight antifreeze or water. We recommend you check the en ...

Exploded View
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