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:
Driver's Seat Position Sensor Replacement
Removal
NOTE: Do not turn the ignition switch to ON (II), and do not connect the
battery cable while removing the driver's seat position sensor.
Do the battery terminal disconnection ...
Adding Engine Oil
1. Unscrew and remove the engine oil fill cap.
2. Add oil slowly.
3. Reinstall the engine oil fill cap, and tighten
it securely.
4. Wait for three minutes and recheck the
engine oil dipstick.
...
Tire Labeling
The tires that came on your vehicle have a number of markings. Those you should
be aware of are described below.
Tire Size
Whenever tires are replaced, they should be replaced with tires of the ...
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