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:
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 ...
Warm Up TWC Removal/Installation
NOTE: If the warm up TWC is damaged internally, inspect the under-floor TWC
for debris.
Raise the vehicle on a lift.
Remove the bolts (A).
Lower the vehicle.
...
Transmission End Cover ATF Feed Pipe Replacement (A/T)
Remove the snap ring (A), the 3rd clutch feed pipe (B), and the feed pipe
flange (C) from the end cover (D).
Install a new O-ring (E) over the 3rd clutch feed pipe.
In ...
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