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:

Front Inner Fender Replacement
NOTE: Put on gloves to protect your hands. Take care not to scratch the body. For some models: Remove the side sill panel. Remove the front inner fender (A). ...

Disassembly
Compress the damper spring, then remove the nut (A) while holding the damper shaft with a hex wrench (B). Do not compress the damper spring more than necessary to remove the nut. ...

Piston, Pin, and Connecting Rod Replacement
Special Tools Required Pilot Pin 070AF-PWC0110 Piston Base 07973-6570500 Piston Base Spring 07973-6570600 Piston Base Head 07TGF-001000A Pilot Collar, O.D. 18 mm 070AF-PWC0130 Insert Adj ...